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2017 Ford Explorer

Owner reports · Recalls · Investigations

More warning signs than most Explorer years

Owner complaints for the 2017 Ford Explorer are substantially higher than the model-year median of 609.

About this comparison →

When problems were reported

Mileage at the reported incident

849 reports with mileage · 841 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Structure. Review the 655 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 237 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 123 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

34 crash reports11 fire reports36 injury reports

Unknown Or Other complaints

369 reports
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Mileage unknown · Jul 17, 2025
Unknown Or Other

While driving a certain speed i hear noise in main windshield area

NHTSA ODI #11674175

Mileage unknown · Jul 14, 2025
Unknown Or Other

This pertains to the B-Pillar trim recall. It should be noted that not only does the trim fall off but if it is the trim with the entry keypad, that can cause a short circuit that effects other parts of the car operation. Recently this happened to this vehicle and a fuse blew under the drivers side dash fuse 11 5 amp fuse. This …

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This pertains to the B-Pillar trim recall. It should be noted that not only does the trim fall off but if it is the trim with the entry keypad, that can cause a short circuit that effects other parts of the car operation. Recently this happened to this vehicle and a fuse blew under the drivers side dash fuse 11 5 amp fuse. This fuse blows and the rear hatch will no longer open. We called about this in June when this happened and the dealer said it was unrelated to the trim that fell off and they would charge us $600 to look at it. After finding the same issue on Youtube and the fix posted we purchased the part and installed ourself for $50. This complaint is stating that the recall needs to have the liftgate included as a symptom.

NHTSA ODI #11673251

Mileage unknown · Jul 13, 2025
StructureUnknown Or Other

Front window trim/ A pillar detached while driving on October 18,2024. Contacted dealership for replacement at the end of October 2024, and each month following, they brought vehicle in for inspection but have never replaced the trim piece. It has now been 9 months, I have called the dealer every month to follow up and have been…

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Front window trim/ A pillar detached while driving on October 18,2024. Contacted dealership for replacement at the end of October 2024, and each month following, they brought vehicle in for inspection but have never replaced the trim piece. It has now been 9 months, I have called the dealer every month to follow up and have been told every time they still do not have the part to fix it. I am concerned that the trim on the other side of the car could fly off and cause damage to my vehicle or others.

NHTSA ODI #11673156

Mileage unknown · Jul 8, 2025
Electrical SystemSeatsUnknown Or Other

The following is a letter I sent to Ford. I've yet to hear back from them. This is a picture of what happened in my 2017 Explorer on Thursday, June 5, 2025. As I unlocked and got into my car, I realized the seat was moving forward. I tried to get out of the seat, but it was difficult because the space was closing in. I managed…

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The following is a letter I sent to Ford. I've yet to hear back from them. This is a picture of what happened in my 2017 Explorer on Thursday, June 5, 2025. As I unlocked and got into my car, I realized the seat was moving forward. I tried to get out of the seat, but it was difficult because the space was closing in. I managed to squeeze out of the space before it totally closed me in and pinned me between the seat and steering wheel. As you can see from the picture, the seat is as close to the steering wheel and console as possible. The steering wheel was 7 inches from the seatback and 7 inches from the seat bottom. The seat was 2 inches from the console. This is extremely dangerous. This is not the first time this has happened. This has occurred at least ten times. Sometimes it is when I get in the vehicle as happened June 5. One time I was pinned between the steering wheel and seat and my legs were jammed into the console. Fortunately, I was able to extricate myself with only a few scrapes and bruises. While it is happening, I try the side buttons that control the seat and other ways to stop it, but nothing I do stops the movement once it begins. The only way to avoid being pinned in is to get out while the seat is moving. Other times it has happened when I am not in the car. I unlock and open the door to get in and the seat has moved itself and is as far up to the steering wheel as physically possible. The first time this happened; I told the service desk at the dealer when I was having work done on the SUV. They checked and said they couldn’t find anything wrong with it.`

NHTSA ODI #11671991

Mileage unknown · Jul 2, 2025
Unknown Or Other

In my 2017 Ford Explorer, that backup camera is experiencing issues that sound related to the current recall on 2021-2024 Ford Explorers. The image is all distorted, the backup assist lines are not present, the screen will go black or grey with distortion.

NHTSA ODI #11670744

Mileage unknown · Jun 24, 2025
Unknown Or Other

Back up camera fails to operate at times when vehicle is in reverse. Potential for backing collision or fatality.

NHTSA ODI #11668836

Mileage unknown · Jun 13, 2025
Unknown Or Other

Display screen/Navigation screen is flashing continuously. This is affecting the use of the back up camera which could potentially cause damage to vehicles or persons. This also is affecting thr use of hands free operation.

NHTSA ODI #11666675

Mileage unknown · Jun 5, 2025
Unknown Or Other

faulty front grill

NHTSA ODI #11664999

Mileage unknown · May 28, 2025
EngineFuel/propulsion SystemUnknown Or Other

I am submitting this complaint regarding a recurring turbocharger issue in my 2017 Ford Explorer Sport (VIN: [XXX] ). In April 2024, I was forced to replace the turbocharger system at a cost of approximately $2,500. Despite the repair, my vehicle continues to have serious performance issues. Most recently, the check engine ligh…

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I am submitting this complaint regarding a recurring turbocharger issue in my 2017 Ford Explorer Sport (VIN: [XXX] ). In April 2024, I was forced to replace the turbocharger system at a cost of approximately $2,500. Despite the repair, my vehicle continues to have serious performance issues. Most recently, the check engine light returned, and a diagnostic scan from O’Reilly Auto Parts showed error code P219A – Bank 1 Air/Fuel Ratio Imbalance. This code indicates that the engine is still not functioning correctly—pointing to a likely underlying or unresolved defect. During the initial failure, oil leaked extensively into the engine bay and burned off in thick white smoke while I was driving. It was a serious safety concern, and the cause was consistent with Ford’s existing recall for this engine (NHTSA Campaign Number: 16V925000), which was limited to the Police Interceptor Utility model despite the civilian Sport version using the same 3.5L EcoBoost V6 engine and components. It is extremely concerning that my vehicle—outside of the official recall range—suffered the same turbo failure and now continues to show problems even after a costly repair. Either the mechanic’s initial repair was incomplete, or the core design flaw that caused the issue in the first place is still at play, meaning this problem may continue to repeat itself. I respectfully request that: 1.Ford expand the recall to include vehicles with the same components and failures, regardless of their designation. 2.NHTSA investigate the scope of this issue across the broader 2017 Explorer Sport lineup. 3.Ford provide reimbursement or support for the costly repair, which has not resolved the issue. 4.Ford issue a technical service bulletin or revised part guidance if this is an ongoing engineering issue. I am happy to provide full documentation, photos, and service records if needed. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA ODI #11663525

Mileage unknown · May 20, 2025
Unknown Or Other

There has been a long standing recall on the pillars for over a year, however ford continuously does not have the parts in stock. I have been awaiting repair for over a year with no date in sight.

NHTSA ODI #11662151

Official recalls

13

26V448000 · Structure:body

Jul 14, 2026

Ford Motor Company (Ford) is recalling certain 2016-2019 Explorer vehicles. The roof rail covers may come loose and detach from the vehicle.

Consequence & remedy

Consequence: A detached roof rail cover can create a road hazard, increasing the risk of a crash.

Remedy: Dealers will inspect the roof rail covers and as necessary, repair or replace the push-pins, rail clips, or roof rail covers, free of charge. Interim letters, notifying owners of the safety risk, were mailed August 28, 2026. Additional letters will be sent once the remedy is available, anticipated in January 2027. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 26S54. This recall expands previous NHTSA recall number 21V316. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on July 16, 2026.

26V101000 · Suspension:rear

Feb 20, 2026

Ford Motor Company (Ford) is recalling certain 2017-2019 Explorer vehicles. The rear suspension toe links may fracture.

Consequence & remedy

Consequence: A rear toe link fracture can result in a loss of steering control, increasing the risk of a crash.

Remedy: Dealers will replace the toe links, free of charge. Owner notification letters were mailed on March 16, 2026. Owners may contact Ford Customer Service at 1-866-436-7332. Ford's number for this recall is 26S08. This recall is an expansion of previous NHTSA recall number 21V537. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning February 25, 2026.

25V685000 · Equipment:electrical:engine Block Heater

Oct 10, 2025

Ford Motor Company (Ford) is recalling certain 2016-2019 Lincoln MKC, 2016-2023 Explorer, 2019-2020 Fusion, 2019-2024 Ranger, 2020-2022 Lincoln Corsair, Escape, 2021-2024 Bronco, Bronco Sport, and 2022-2024 Maverick vehicles. The engine block heater may crack and develop a coolant leak, causing it to short circuit when the block heater is plugged in.

Consequence & remedy

Consequence: An electrical short circuit can increase the risk of a fire.

Remedy: Owners are advised not to plug in their block heater until the vehicle is remedied. Dealers will replace the block heater, free of charge. Owners will also have a alternative option to replace engine block heater element with a threaded blanking plug, and remove the block heater electrical cord. Interim letters, notifying owners of the safety risk, were mailed December 3, 2025. Additional letters will be sent once the final remedy is available, anticipated September 2026. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 25SA4. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on October 15, 2025.

25V347000 · Structure:body

May 23, 2025

Ford Motor Company (Ford) is recalling certain 2016-2017 Explorer vehicles. The driver and front passenger B-Pillar door trim may detach while driving.

Consequence & remedy

Consequence: Door trim that detaches while driving can create a road hazard, increasing the risk of a crash.

Remedy: Dealers will repair the B-pillar trim, free of charge. Interim letters, notifying owners of the safety risk, were mailed June 5, 2025. A second notice will be sent once the final remedy is available, anticipated November 2026. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 25S53.

24V031000 · Structure:body:roof And Pillars

Jan 19, 2024

Ford Motor Company (Ford) is recalling certain 2011-2019 Explorer vehicles. The A-pillar trim retention clips may not be properly engaged, allowing the trim to detach.

Consequence & remedy

Consequence: A detached trim piece can fall off the vehicle, becoming a road hazard and increasing the risk of a crash.

Remedy: Dealers will inspect and replace the A-pillar trim as necessary, free of charge. This will be a phased campaign, with the remedy becoming available in different phases based on model years. Owner notification letters were mailed between July 18, 2024 and December 16, 2025. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 24S02.

21V537000 · Suspension:rear

Jul 15, 2021

Ford Motor Company (Ford) is recalling certain 2013-2017 Explorer vehicles originally sold, or ever registered, in Connecticut, Delaware, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, Virginia, West Virginia, Wisconsin, and the District of Columbia. Exposure to road salt can cause the cross-axis ball joint to corrode and seize, resulting in a fracture of the outboard section of the rear suspension toe link.

Consequence & remedy

Consequence: A rear toe-link fracture can result in a loss of steering control, increasing the risk of a crash.

Remedy: Dealers will inspect and replace as necessary, the cross-axis ball joint (CABJ) knuckle, and replace the rear suspension toe links, free of charge. This recall is an expansion of previous NHTSA recall numbers 16V-245, 19V-435, and 20V-675. Certain vehicles previously repaired will need to return for the new remedy. An interim notification letter notifying owners of the safety risk were mailed on September 10, 2021. Owner notification letters were mailed on March 16, 2022. Owners may contact Ford's customer service at 1-866-436-7332. Ford's number for this recall is 21S32.

21V316000 · Structure:body

May 5, 2021

Ford Motor Company (Ford) is recalling certain 2016-2019 Explorer vehicles. The retention pins could loosen and allow the roof rail covers to detach from the vehicle.

Consequence & remedy

Consequence: A detached roof rail cover can create a road hazard, increasing the risk of a crash.

Remedy: Dealers will install push-pins and replace any damaged rail clips and roof rail covers, as necessary, free of charge. The interim owner notification letter was mailed on June 22, 2021. Owner notification letters (remedy available) were mailed on October 1, 2021. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 21S22.

20V675000 · Suspension:rear

Mar 12, 2021

Ford Motor Company (Ford) is recalling certain 2013-2017 Explorer vehicles originally sold, or currently registered in Connecticut, Delaware, the District of Columbia, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, Virginia, West Virginia, and Wisconsin that were previously repaired under a prior recall numbers 16V-245 or 19V-435. The outboard section of a rear suspension toe link may fracture.

Consequence & remedy

Consequence: A rear toe link fracture can result in a loss of steering control, increasing the risk of a crash.

Remedy: Ford will notify owners, and dealers will inspect the cross-axis ball joint (CABJ) knuckle attached to the rear suspension toe link and replace it as necessary, free of charge. The recall began November 27, 2020. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 20S62.

19V651000 · Seats

Sep 11, 2019

Ford Motor Company (Ford) is recalling certain 2017 Ford Explorer vehicles equipped with power front seats. The seat frames may have sharp edges.

Consequence & remedy

Consequence: Occupants my contact the sharp edges when reaching between the power front seat and center console, increasing their risk of injury.

Remedy: Ford will notify owners, and dealers will install protective tape on the exposed inside edge and tab of the power seat frames, free of charge. The recall began November 8, 2019. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 19S29.

19V435000 · Suspension:rear

Jun 10, 2019

Ford Motor Company (Ford) is recalling certain 2011-2017 Explorer vehicles. The rear suspension toe links may fracture due to stress on the rear suspension.

Consequence & remedy

Consequence: A fractured rear toe link will cause a sudden change in vehicle handling and increase the risk of a crash.

Remedy: Ford will notify owners, and dealers will replace the rear suspension toe links, and inspect both rear toe link ball joints, replacing the rear wheel knuckle(s), if necessary, free of charge. The recall began June 26, 2019. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 19S17.

17V530000 · Steering

Aug 28, 2017

Ford Motor Company (Ford) is recalling certain 2017 Explorer, Taurus and Police Interceptor Utility and Sedan vehicles. The steering gear heat shield fasteners may corrode, allowing the heat shield to detach.

Consequence & remedy

Consequence: If the heat shield detaches, the steering gear may overheat, increasing the steering effort required by the driver, especially at lower speeds, and increasing the risk of a crash.

Remedy: Ford will notify owners, and dealers to inspect and replace the heat shield fasteners as needed, free of charge. The recall began on September 13, 2017. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 17S23.

17V332000 · Seats; Seats:front Assembly:recliner

May 22, 2017

Ford Motor Company (Ford) is recalling certain 2017 Ford Explorer, F-150, F-250, F-350, F-450 and F-550 vehicles equipped with a manual driver's seat back recliner mechanism. In the event of a crash, the seat back frame may not restrain the occupant due to having inadequate welds. As such, these vehicles may not meet the requirements of Federal Motor Vehicle Safety Standard (FMVSS) numbers 202a, "Head Restraints" and 207, "Seating Systems."

Consequence & remedy

Consequence: If the occupant is not adequately restrained in the event of a crash, they have an increased risk of injury.

Remedy: Ford will notify owners, and dealers will inspect and, if necessary, replace the seat back frame, free of charge. The recall began on June 7, 2017. Owners may contact Ford at 1-866-436-7332. Ford's number for this recall is 17C08.

Additional source detail variants (2)

Seats:front Assembly:recliner

Ford Motor Company (Ford) is recalling certain 2017 Ford Explorer, F-150, F-250, F-350, F-450 and F-550 vehicles equipped with a manual driver's seat back recliner mechanism. In the event of a crash, the seat back frame may not restrain the occupant due to having inadequate welds. As such, these vehicles may not meet the requirements of Federal Motor Vehicle Safety Standard (FMVSS) numbers 202a, "Head Restraints" and 207, "Seating Systems."

Consequence: If the occupant is not adequately restrained in the event of a crash, they have an increased risk of injury.

Remedy: Ford will notify owners, and dealers will inspect and, if necessary, replace the seat back frame, free of charge. The recall began on June 7, 2017. Owners may contact Ford at 1-866-436-7332. Ford's number for this recall is 17C08.

Seats

Ford Motor Company (Ford) is recalling certain 2017 Ford Explorer, F-150, F-250, F-350, F-450 and F-550 vehicles equipped with a manual driver's seat back recliner mechanism. In the event of a crash, the seat back frame may not restrain the occupant due to having inadequate welds. As such, these vehicles may not meet the requirements of Federal Motor Vehicle Safety Standard (FMVSS) numbers 202a, "Head Restraints" and 207, "Seating Systems."

Consequence: If the occupant is not adequately restrained in the event of a crash, they have an increased risk of injury.

Remedy: Ford will notify owners, and dealers will inspect and, if necessary, replace the seat back frame, free of charge. The recall began on June 7, 2017. Owners may contact Ford at 1-866-436-7332. Ford's number for this recall is 17C08.

16V925000 · Engine And Engine Cooling:engine:gasoline:turbo/supercharger

Dec 22, 2016

Ford Motor Company (Ford) is recalling certain model year 2016 Ford Taurus, 2016-2017 Ford Flex, Lincoln MKT, 2017 Ford Explorer and Ford Explorer Police Interceptor Utility vehicles equipped with 3.5L GTDI engines. Improperly brazed turbocharger oil supply tubes may leak oil on engine components.

Consequence & remedy

Consequence: An oil leak, in the presence of an ignition source, increases the risk of a fire.

Remedy: Ford will notify owners, and dealers will inspect, and if necessary, replace the turbocharger oil supply tubes, free of charge. The recall began on January 31, 2017. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 16S46.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

2

PE23001 · Windshield Trim Molding Item Detachment

Opened Jan 27, 2023 · Closed Feb 8, 2024

Status: closed (inferred from source dates) · Structure:body:roof And Pillars

On January 27, 2023, the Office of Defects Investigation (ODI) opened PE23-001 to investigate allegations of A-pillar trim panel detachment on model year (MY) 2011-2019 Ford Explorer vehicles. At the time of opening, the office had received 164 Vehicle Owner Questionnaires (VOQs) reporting this failure. ODI has received 671 VOQs regarding this failure, including 1 alleged crash and 2 alleged injuries. Some consumers have reported that the failure occurred while they were driving at highway speeds, with the detached trim panel entering the path of travel of the vehicle behind them, requiring the driver of the following vehicle to take evasive action. It is noteworthy that motorists who experience this type of road hazard are less likely to accurately identify the subject vehicle the item detached from and report the event to the NHTSA. In its April 17, 2023 response to ODI’s information request, Ford provided 175 consumer complaints (including field reports) and 14,162 warranty claims related to A-pillar trim panel detachment. Ford relayed that the subject vehicles utilize a plastic A-pillar bracket, which is bolted to the vehicle structure during assembly. The A-pillar trim panel is attached to the bracket utilizing 7 plastic clips. Contributory factors which have been identified by Ford as leading to the subject defect include incomplete installation at the assembly plant, inadequate part stack up, damage to fasteners during installation, and failure to follow proper repair procedure during windshield replacements or other services. On January 19, 2024, Ford filed safety recall 24V-031 for MY 2011-2019 Ford Explorer vehicles to address the subject defect. In the Part 573 Safety Recall Report, Ford identified that a detached A-pillar trim panel can create a road hazard for other road users, increasing the risk of a crash. The recall remedy includes an inspection of the existing A-pillar trim panel and, if necessary, the replacement of the component. The remedy A-pillar trim panels will be installed with an additional adhesive for robustness and utilize an inspection procedure to ensure full engagement of all the retention clips during installation. In view of the recall action being taken by Ford, ODI is closing this Preliminary Evaluation. The agency reserves the right to take additional action if warranted by future circumstances. To review the reports cited in the Closing Resume ODI Report Identification Number document, go to NHTSA.gov.

EA17002 · Exhaust Odor In Passenger Cab

Opened Jul 27, 2017 · Closed Jan 17, 2023

Status: closed (inferred from source dates) · Engine And Engine Cooling:exhaust System:manifold/header/muffler/tail Pipe; Structure:body

During the EA17-002 investigation, the agency reviewed and analyzed reports of exhaust odors in the passenger cabins of Model Year 2011 to 2017 Ford Explorers. This investigation required an approach that incorporated knowledge and expertise from the automotive, medical, environmental health, and occupational safety fields. The agency conducted an in-depth investigation that encompassed the review of over 6,500 consumer complaints, conducting field inspections, and testing the relevant vehicles, both independently and in coordination with Ford and other entities. During the investigation, the evolution of Ford service bulletins intended to reduce the level of exhaust odors and carbon monoxide (CO) entering the occupant compartment was examined and independent tests to evaluate the effectiveness of the final Field Service Actions (FSA) for both consumer and police vehicles were conducted. As part of the investigation, the agency also examined the effects of cracked exhaust mani-cats on the measured CO levels in the vehicles and tested the FSA repairs to ensure they did not adversely impact occupant compartment CO levels due to cracked mani-cats.The investigation identified upfitting issues for Police Interceptor vehicles. Upfitting (sirens, lights, cages, auxiliary power, etc.) is typically performed by governmental fleet operations, independent repair facilities, or local Ford dealers after the sale of the new vehicle. Sealing issues caused by upfitting were responsible for the highest measured carbon monoxide levels in tested vehicles. The police FSA instructs how to inspect the quality of the vehicle upfits and how to properly seal any leaks caused by these upfits, at no cost to the police agency. Similarly, the highest CO levels measured in consumer vehicles were usually traced to sealing issues caused by rear crash damage where the repairs did not ensure sealing integrity. The most recent Ford FSA procedure for both the police (17B25) and consumer vehicles (17N03) includes an HVAC reprogramming operation. Tests by Ford and NHTSA have demonstrated a substantial reduction of CO levels due solely to the HVAC reprogramming. Other FSA repairs also demonstrated measurable contributions to CO level reductions during controlled tests.Throughout the investigation, vehicles accurately measured with higher levels of carbon monoxide were almost always affected by upfitter alterations, damage, or other causes compromising rear passenger cabin seals.NHTSA received thousands of reports alleging odors which triggered a variety of physiological responses, predominately nausea, headaches, and lightheadedness. NHTSA focused the investigation on accurately measuring vehicle CO levels, and accurately measuring carboxyhemoglobin (COHB) levels from properly administered blood tests. Using rigorous test methods to produce exhaust gas intrusion in vehicles with a properly performed FSA, occupant compartment CO levels remained below current environmental limits for CO in any environment (EPA ambient air quality standards). Furthermore, even without FSA repairs, no vehicles unaffected by upfitter issues or prior crash damage were identified with CO levels that exceed accepted occupational CO exposure levels. This investigation finds that the 2011-2017 Ford Explorer vehicles when accurately measured produce occupant compartment CO levels which fall below current accepted health standards, and could not identify COHB levels for vehicle drivers or other occupants, which exceeded thresholds for acute physiological effects. Therefore, the agency has not identified a defect that represents an unreasonable risk to motor vehicle safety.This inve

Additional source detail variants (2)

Engine And Engine Cooling:exhaust System:manifold/header/muffler/tail Pipe

During the EA17-002 investigation, the agency reviewed and analyzed reports of exhaust odors in the passenger cabins of Model Year 2011 to 2017 Ford Explorers. This investigation required an approach that incorporated knowledge and expertise from the automotive, medical, environmental health, and occupational safety fields. The agency conducted an in-depth investigation that encompassed the review of over 6,500 consumer complaints, conducting field inspections, and testing the relevant vehicles, both independently and in coordination with Ford and other entities. During the investigation, the evolution of Ford service bulletins intended to reduce the level of exhaust odors and carbon monoxide (CO) entering the occupant compartment was examined and independent tests to evaluate the effectiveness of the final Field Service Actions (FSA) for both consumer and police vehicles were conducted. As part of the investigation, the agency also examined the effects of cracked exhaust mani-cats on the measured CO levels in the vehicles and tested the FSA repairs to ensure they did not adversely impact occupant compartment CO levels due to cracked mani-cats.The investigation identified upfitting issues for Police Interceptor vehicles. Upfitting (sirens, lights, cages, auxiliary power, etc.) is typically performed by governmental fleet operations, independent repair facilities, or local Ford dealers after the sale of the new vehicle. Sealing issues caused by upfitting were responsible for the highest measured carbon monoxide levels in tested vehicles. The police FSA instructs how to inspect the quality of the vehicle upfits and how to properly seal any leaks caused by these upfits, at no cost to the police agency. Similarly, the highest CO levels measured in consumer vehicles were usually traced to sealing issues caused by rear crash damage where the repairs did not ensure sealing integrity. The most recent Ford FSA procedure for both the police (17B25) and consumer vehicles (17N03) includes an HVAC reprogramming operation. Tests by Ford and NHTSA have demonstrated a substantial reduction of CO levels due solely to the HVAC reprogramming. Other FSA repairs also demonstrated measurable contributions to CO level reductions during controlled tests.Throughout the investigation, vehicles accurately measured with higher levels of carbon monoxide were almost always affected by upfitter alterations, damage, or other causes compromising rear passenger cabin seals.NHTSA received thousands of reports alleging odors which triggered a variety of physiological responses, predominately nausea, headaches, and lightheadedness. NHTSA focused the investigation on accurately measuring vehicle CO levels, and accurately measuring carboxyhemoglobin (COHB) levels from properly administered blood tests. Using rigorous test methods to produce exhaust gas intrusion in vehicles with a properly performed FSA, occupant compartment CO levels remained below current environmental limits for CO in any environment (EPA ambient air quality standards). Furthermore, even without FSA repairs, no vehicles unaffected by upfitter issues or prior crash damage were identified with CO levels that exceed accepted occupational CO exposure levels. This investigation finds that the 2011-2017 Ford Explorer vehicles when accurately measured produce occupant compartment CO levels which fall below current accepted health standards, and could not identify COHB levels for vehicle drivers or other occupants, which exceeded thresholds for acute physiological effects. Therefore, the agency has not identified a defect that represents an unreasonable risk to motor vehicle safety.This inve

Structure:body

During the EA17-002 investigation, the agency reviewed and analyzed reports of exhaust odors in the passenger cabins of Model Year 2011 to 2017 Ford Explorers. This investigation required an approach that incorporated knowledge and expertise from the automotive, medical, environmental health, and occupational safety fields. The agency conducted an in-depth investigation that encompassed the review of over 6,500 consumer complaints, conducting field inspections, and testing the relevant vehicles, both independently and in coordination with Ford and other entities. During the investigation, the evolution of Ford service bulletins intended to reduce the level of exhaust odors and carbon monoxide (CO) entering the occupant compartment was examined and independent tests to evaluate the effectiveness of the final Field Service Actions (FSA) for both consumer and police vehicles were conducted. As part of the investigation, the agency also examined the effects of cracked exhaust mani-cats on the measured CO levels in the vehicles and tested the FSA repairs to ensure they did not adversely impact occupant compartment CO levels due to cracked mani-cats.The investigation identified upfitting issues for Police Interceptor vehicles. Upfitting (sirens, lights, cages, auxiliary power, etc.) is typically performed by governmental fleet operations, independent repair facilities, or local Ford dealers after the sale of the new vehicle. Sealing issues caused by upfitting were responsible for the highest measured carbon monoxide levels in tested vehicles. The police FSA instructs how to inspect the quality of the vehicle upfits and how to properly seal any leaks caused by these upfits, at no cost to the police agency. Similarly, the highest CO levels measured in consumer vehicles were usually traced to sealing issues caused by rear crash damage where the repairs did not ensure sealing integrity. The most recent Ford FSA procedure for both the police (17B25) and consumer vehicles (17N03) includes an HVAC reprogramming operation. Tests by Ford and NHTSA have demonstrated a substantial reduction of CO levels due solely to the HVAC reprogramming. Other FSA repairs also demonstrated measurable contributions to CO level reductions during controlled tests.Throughout the investigation, vehicles accurately measured with higher levels of carbon monoxide were almost always affected by upfitter alterations, damage, or other causes compromising rear passenger cabin seals.NHTSA received thousands of reports alleging odors which triggered a variety of physiological responses, predominately nausea, headaches, and lightheadedness. NHTSA focused the investigation on accurately measuring vehicle CO levels, and accurately measuring carboxyhemoglobin (COHB) levels from properly administered blood tests. Using rigorous test methods to produce exhaust gas intrusion in vehicles with a properly performed FSA, occupant compartment CO levels remained below current environmental limits for CO in any environment (EPA ambient air quality standards). Furthermore, even without FSA repairs, no vehicles unaffected by upfitter issues or prior crash damage were identified with CO levels that exceed accepted occupational CO exposure levels. This investigation finds that the 2011-2017 Ford Explorer vehicles when accurately measured produce occupant compartment CO levels which fall below current accepted health standards, and could not identify COHB levels for vehicle drivers or other occupants, which exceeded thresholds for acute physiological effects. Therefore, the agency has not identified a defect that represents an unreasonable risk to motor vehicle safety.This inve

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