2019 Ford Mustang

We purchased a Ford Mustang for our daughter 6 years ago, and have had the following ongoing dangerous and expensive widespread issue, 6 incidents to date, caused by Ford knowingly using soy based wiring (as opposed to petroleum based) for environmental reasons, that attract rats like it was cheese. The rats have been eating through essential wiring and once in the car also eating hoses and insulation, putting our daughter’s and others lives in grave danger and costing us thousands of dollars in continuous repairs, the last time rats ate through her brakes! (luckily discovered by warning lights in her car before her brakes failed) Ford is very aware of this issue and receive many complaints but do nothing, except refer me to you after I filed a complaint with them. No warranty covers this. Only my neighbors who don't have cars with soy based wiring don't have this issue, showing that this is clearly the cause. In a futile attempt to combat this, we have expensive monthly exterminator rat service, noise makers in her car, glue pads under her car, in her car (removed when driving), spray peppermint and bleach, and check the car daily. (Governor Newsom banned rat poison in Calif making it more challenging) But these expensive and time consuming measures are not full-proof as evidence of our continual costly repairs, and nothing will work until the root cause is addressed, the soy wiring. Ford needs to replace soy based wiring with petroleum based wiring, pay for all rat damage retroactively and future repairs until the soy wiring is replaced. (I have copies of all repair receipts, dating so far from Nov 2019 through April 2025) Just one of many article links in a quick google search that shows this is a widespread issue: "Rodents can’t get enough of Fords soy coated wiring and that’s a big problem!" [XXX] Please do something because Ford won't. (you ask date of incident, I have 6, I put most recent ) INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

The contact owns a 2019 Ford Mustang. The contact stated that while shifting from reverse(R) to drive(D) or from park(P) to drive(D), the vehicle jerked before shifting into the intended drive mode. While driving at approximately 50 MPH, the vehicle was shaking abnormally while accelerating. The check engine warning light had illuminated intermittently. The wrench symbol was displayed on the instrument panel, and the vehicle lost power. They waited for a while before restarting the vehicle. The failure was intermittent. The vehicle was taken to the dealer, who diagnosed that there was a failure with the transmission, but had not determined which part in the transmission had failed. The vehicle was not repaired. The manufacturer was informed of the failure and opened a case. The manufacturer referred the contact to the NHTSA Hotline to report the failure. The failure mileage was unknown.

Took car into dealership because it was running rough at start up and check engine light came on. They told us today that coolant leaked into cylinder requiring head gasket repair and pissible engine replacement. The car has less than 40,000 miles, has been gently driven, with full service records from the dealership and the extended warranty just ended in July 2024. Reading online forums, this is a very common issue due to design flaw of the Ford Ecoboost engine. What recourse do we have?

The contact owns a 2019 Ford Mustang. The contact stated while driving at various speeds, the front driver’s and passenger’s side windows would intermittently lower independently. The vehicle was taken to a local dealer where the software was updated, relubricated, and other repairs were performed; however, the failure persisted. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was approximately 45,000.

The contact owns a 2019 Ford Mustang. The contact stated that the check engine warning light remained illuminated, and upon inspection, the contact became aware that there was coolant leaking from the exhaust system. The vehicle was taken to a local dealer to be diagnosed, and it was determined that there was coolant intrusion into the engine. The contact was informed that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 54,807.

The contact owns a 2019 Ford Mustang. The contact stated while driving at undisclosed speeds and attempting to accelerate, the vehicle failed to accelerate as intended but started decelerating instead. During the failure, the contact would pull over to the side of the road, shift to park, turn off the vehicle, and then wait a while before restarting the vehicle for the vehicle to drive as intended. The failure also occurred while attempting to accelerate while idling. The contact stated that for several months during the failure, the check engine warning light was illuminated. The vehicle was taken to the dealer to be diagnosed, and the contact was informed that there was a misfire in cylinders #2 and #3. The dealer reset the computer to remove the code. The contact stated that three days later the check engine warning light was illuminated again. The vehicle was returned to the dealer who detected a misfire in cylinder #1. The spark plugs, crankshaft sensor, and coil packs were replaced. The check engine light was no longer illuminated; however, the failure persisted. The failure became more persistent, and the contact was pulling over to turn off and restart the vehicle more often. The contact had decided not to drive the vehicle due to the consistency of the failure. The dealer was contacted and confirmed that the failure was common for similar vehicles. The dealer diagnosed that the head gasket had failed; however, it was not recommended to be replaced due to the failure recurring after the repair was completed. The dealer recommended that the engine be replaced. The vehicle had not been repaired. The manufacturer was made aware of the failure and filed a case. The manufacturer confirmed that there was no recall on the VIN for the failure. The manufacturer referred the contact to the NHTSA Hotline to report the failure. The failure mileage was approximately 42,000.

The contact owns a 2019 Ford Mustang. The contact stated while driving or while the vehicle was parked, the vehicle was leaking coolant. The contact stated that while washing the vehicle, the contact became aware that coolant was leaking from the engine compartment. The vehicle was taken to the local dealer where it was diagnosed and determined that the coolant pipe needed to be replaced. The contact stated that the battery was replaced, the oil was changed, and an unknown software was updated. The manufacturer was notified on the failure but offered no assistance. The approximate failure mileage was 16,600.

My 2019 Ford Mustang Shelby GT350 was driving fine until all of a sudden I got a check engine light on the dash. The vehicle was not as responsive as usual and was shaking a little bit at idle. I shut the car off and then had it towed to the Ford dealership for further analysis. After inspection at a dealership it was identified, that my engine had failed. Cylinder 8 would not hold compression and had cracked the engine block. This failure can cause complete engine failure and can be a risk to the driver, passengers and anyone else in traffic.

Began over last month with difficulty or rough engine start in mornings Then engine overheated once and continues to lose coolant without visible sign of any leakage. Scan error codes P0300, P 0303, P 0304. Now with excessive steam/smoke out tail pipe when it’s started. Took to mechanic where they verified engine coolant is in atleast, cylinder #3. My safety and that of others is the engine can fail or completely break or explode while driving, causing failure to be able to control vehicle, possibly resulting in a crash or even death.