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2004 Audi A4

Owner reports · Recalls · Investigations

More warning signs than most A4 years

Owner complaints for the 2004 Audi A4 are substantially higher than the model-year median of 76.5.

About this comparison →

How this year compares

Owner complaints by model year

Compare all A4 years →

Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

168 reports with mileage · 21 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.

  • Fuel System, Gasoline. Review the 46 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Air Bags. Review the 26 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine And Engine Cooling. Review the 18 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

8 crash reports3 fire reports5 injury reports

What owners actually said

189 reports
18,000 miles · Mar 22, 2006
Power Train

MY CAR INTERMITTENTLY DOES NOT MOVE WHEN THE VEHICLE IS PUT IN DRIVE. THIS HAS ONLY HAPPENED SO FAR WHEN THE ENGINE IS COLD. IT HAPPENED TO ME YESTERDAY AS I WAS TRYING TO PULL OUT INTO AN INTERSECTION AND THE CAR BEHIND ME ALMOST HIT ME BECAUSE IT LOOKED LIKE I SHOULD BE MOVING. I HAVE A CVT TRANSMISSION.

NHTSA ODI #10153428

Mileage unknown · Mar 22, 2006
Electrical System

I OWE A 2004 AUDI A4 CONVERTIBLE. IN LATE FEBRUARY OF 06, I STARTED TO EXPERIENCE PROBLEMS WHEN I PUT THE GEAR ON D (DRIVE) OR R (REVERSE) AND GAVE GAS; THE CAR DID NOT MOVE AT ALL. DASH BOARD INSTRUMENT WAS NOT RESPONSIVE EITHER. INITIALLY I THOUGHT THIS WAS DUE TO COLD WEATHER. ON MARCH 13, 06, I WAS RUNNING ERRANDS IN A VE…

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I OWE A 2004 AUDI A4 CONVERTIBLE. IN LATE FEBRUARY OF 06, I STARTED TO EXPERIENCE PROBLEMS WHEN I PUT THE GEAR ON D (DRIVE) OR R (REVERSE) AND GAVE GAS; THE CAR DID NOT MOVE AT ALL. DASH BOARD INSTRUMENT WAS NOT RESPONSIVE EITHER. INITIALLY I THOUGHT THIS WAS DUE TO COLD WEATHER. ON MARCH 13, 06, I WAS RUNNING ERRANDS IN A VERY BUSY AREA OF NORTHERN VIRGINIA. THE CAR WAS WARM AS IT HAS BEEN RUNNING FOR A COUPLE OF HOURS. I APPROACHED A BUSY INTERSECTION TO MAKE A LEFT TURN. WHEN THE ROAD WAS CLEARED, I ATTEMPTED TO MOVE FORWARD BUT THE CAR WAS TOTALLY FROZEN - IT WOULD NOT MOVE REGARDLESS OF HOW MUCH I PUSHED THE GAS PEDAL. I WAS NOW FACING THE ONCOMING TRAFFIC OF THREE CARS BLOWING THEIR HORNS LIKE CRAZY. I JUST COULD NOT MOVE THE CAR AND WAS TERRIFIED THAT I WOULD BE HIT BY THE ONCOMING TRAFFIC. THE ONCOMING TRAFFIC CAME TO AN ABRUPT STOP AND AFTER SEVERAL ATTEMPTS I WAS ABLE TO MOVE THE CAR. I WAS VERY SCARED AND CALLED THE AUDI OF TYSONS CORNER (HBL) IN VIENNA, VIRGINIA IMMEDIATELY AND TOOK THE CAR IN THAT DAY. THE NEXT DAY (3/14) AFTERNOON, I RECEIVED A CALL FROM THE SERVICE ADVISOR INDICATING THAT THEY WERE NOT ABLE TO DUPLICATE THE PROBLEM AND THAT NOTHING WAS WRONG WITH MY CAR. I INSISTED THAT THEY RECHECK AS I EXPERIENCED THE PROBLEM SEVERAL TIMES AND THAT THE LAST INCIDENT WAS COULD HAVE BEEN FATAL AS I WAS STUCK IN THE MIDDLE OF THE INTERSECTION. THEY AGREED AND KEPT THE CAR FOR ANOTHER DAY; HOWEVER, THE NEXT DAY THEY CALLED AND SAID THE SAME THING - NOTHING WRONG WITH THE CAR. I PICKED THE CAR ON MARCH 16, 06. WHILE WAITING IN THE LOBBY, I SAW ANOTHER AUDI A4 CONVERTIBLE DRIVER. I APPROACHED HER ABOUT MY EXPERIENCE AND ASKED IF SHE EXPERIENCED THE SAME OR SIMILAR PROBLEMS. SHE SAID YES AND THAT IS WHY SHE BROUGHT HER CAR IN ALONG WITH A REGULAR SERVICE CHECK. SHE RECEIVED THE SAME FEEDBACK FROM THE AUDI OF TYSONS - NOTHING WRONG WITH HER CAR EITHER. I HAVE THE NAME, PHONE NUMBER, ETC., OF THE OTHER DRIVER IF NEEDED. *JB

NHTSA ODI #10153390

Mileage unknown · Mar 17, 2006
Tires

AS AN OWNER OF A 2004 AUDI A4 W/ PIRELLI P6 FOUR SEASON 17" TIRES HAVE BEEN VERY DISAPPOINTED NOT WITH THE PERFORMANCE OF THE VEHICLE BUT THE TIRES. ALL OF THE FAILURES HAVE BEEN UNDER NORMAL DRIVING CONDITIONS AND THE VEHICLE HAS ONLY 18,300 MILES ON 3/16/06. THE TIRES IN ALL FAILURES HAVE DEVELOPED BUBBLES ON THE SIDE WALLS AN…

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AS AN OWNER OF A 2004 AUDI A4 W/ PIRELLI P6 FOUR SEASON 17" TIRES HAVE BEEN VERY DISAPPOINTED NOT WITH THE PERFORMANCE OF THE VEHICLE BUT THE TIRES. ALL OF THE FAILURES HAVE BEEN UNDER NORMAL DRIVING CONDITIONS AND THE VEHICLE HAS ONLY 18,300 MILES ON 3/16/06. THE TIRES IN ALL FAILURES HAVE DEVELOPED BUBBLES ON THE SIDE WALLS AND/OR HAVE BLOWN OUT WHILE DRIVING. LUCKILY NO INJURIES TO ANYBODY HAS OCCURRED DURING EACH INCIDENT AND THE TIRES EACH TIME HAD TO BE REPLACED AT $145.00 A TIRE. I FILED A COMPLAINT W/ BETTER BUSINESS BUREAU (BBB) TO RECEIVE SOME TYPE OF COMPENSATION AND PIRELLI DID INDEED MAIL A CHECK FOR A DISCLOSED AMOUNT. I WISH MORE COMPLAINTS TO THE BBB WOULD BE FILED ALSO TO DOCUMENT THIS ON GOING PROBLEM WITH PIRELLI TIRE AND THIS ACTUAL TIRE. *NM

NHTSA ODI #10152952

23,050 miles · Mar 11, 2006
Tires

BUBBLES IN PIRELLI P6 ALL SEASON TIRES AFTER 6000 MILES OF USE, NORMAL DRIVING. *JB

NHTSA ODI #10152487

2,000 miles · Dec 13, 2005
Tires

DT: THE CONTACT STATED ALL FOUR ORIGINAL TIRES HAD BLOW OUTS BETWEEN 3/1/04 AND 12/1/05. AFTER EACH BLOW OUT, THE TIRES WERE REPLACED AT THE CONTACT'S EXPENSE. THE FIRST BLOW OUT OCCURRED WHEN THE CONTACT HIT A POT HOLE AT APPROXIMATELY 60 MPH. THE SECOND BLOWOUT OCCURRED IMMEDIATELY AFTER THE CONTACT HIT A BUMP IN THE ROAD A…

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DT: THE CONTACT STATED ALL FOUR ORIGINAL TIRES HAD BLOW OUTS BETWEEN 3/1/04 AND 12/1/05. AFTER EACH BLOW OUT, THE TIRES WERE REPLACED AT THE CONTACT'S EXPENSE. THE FIRST BLOW OUT OCCURRED WHEN THE CONTACT HIT A POT HOLE AT APPROXIMATELY 60 MPH. THE SECOND BLOWOUT OCCURRED IMMEDIATELY AFTER THE CONTACT HIT A BUMP IN THE ROAD AT 40 MPH. THE THIRD OCCURRED WHEN HITTING A POT HOLE AT AN UNDETERMINED SPEED. THE LAST BLOW OUT HAPPENED WHEN HITTING A POT HOLE AT 40 MPH. IN TWO OF THE INCIDENTS THE WHEEL WAS ALSO DAMAGED. EVERY TIRE APPEARED TO HAVE SIDEWALL DAMAGE. THE TIRES WERE REGULARLY SERVICED. THE VEHICLE MANUFACTURER INDICATED THERE WAS NO WARRANTY FOR ROAD HAZARDS.*AK UPDATED 02/07/06. *JB

NHTSA ODI #10145122

5,930 miles · Aug 6, 2005
Equipment

AUDI JACK CAME WITH MY 2004 AUDI A4 QUATTRO SEDAN BROKE WHILE PUTTING A WHEEL. I WAS IN THE PARKING LOT SO THE SURFACE IS FLAT. I USE THE USE THE JACK THAT CAME WITH MY CAR TO JACK UP THE CAR SO THAT I CAN REPLACE MY WHEEL. THE JACK BROKE AS I WAS PUTTING ON THE WHEEL TRYING TO ALIGN THE HOLES TO PUT BACK THE BOLTS. THE JACK…

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AUDI JACK CAME WITH MY 2004 AUDI A4 QUATTRO SEDAN BROKE WHILE PUTTING A WHEEL. I WAS IN THE PARKING LOT SO THE SURFACE IS FLAT. I USE THE USE THE JACK THAT CAME WITH MY CAR TO JACK UP THE CAR SO THAT I CAN REPLACE MY WHEEL. THE JACK BROKE AS I WAS PUTTING ON THE WHEEL TRYING TO ALIGN THE HOLES TO PUT BACK THE BOLTS. THE JACK JUST SNAPPED LUCKILY MY FINGERS AND HAND DID NOT GET CAUGHT AND I WAS NOT UNDER THE CAR. THE JACK WAS BROKE TODAY AUGUST 5, 2005 AT AROUND 4:00PM PACIFIC TIME. I GOT TO THE DEALERSHIP 10 MINUTES TO 5:00PM AND THE SERVICE REP TOLD ME THAT ALL THE TECHNICIAN HAVE GONE HOME FOR THE DAY AND THEY ASK ME TO CONTACT AUDI USA. I CANNOT REACH AUDI USA BECAUSE THEY HAVE CLOSE FOR THE DAY. I WILL TRY TO CONTACT THEM ON MONDAY. THE POINT TO MY COMPLAINT IS THAT THE JACK IS UNSAFE. PLEASE INVESTIGATE THE JACK THE COME WITH ALL AUDI CARS. THERE ARE ALOT OF PEOPLE EXPERIENCING THE SAME PROBLEM WITH THE AUDI JACK. THANK YOU, KENNY,. *JB

NHTSA ODI #10131776

28,686 miles · Jul 13, 2005
Vehicle Speed Control

WHILE COMMUTING TO WORK, THE ACCELERATOR PEDAL ON MY 2004 AUDI A4 CABRIOLET STUCK TO THE FLOOR. AT THE TIME, I WAS DRIVING APPROXIMATELY 35-40 MPH. THE PEDAL SUDDENLY MOVED AWAY FROM MY FOOT, STUCK TO THE FLOOR, AND MY CAR STARTED TO RAPIDLY INCREASE IN SPEED. NOT KNOWING EXACTLY WHAT WAS GOING ON, I HIT THE BRAKES, TO NO AVA…

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WHILE COMMUTING TO WORK, THE ACCELERATOR PEDAL ON MY 2004 AUDI A4 CABRIOLET STUCK TO THE FLOOR. AT THE TIME, I WAS DRIVING APPROXIMATELY 35-40 MPH. THE PEDAL SUDDENLY MOVED AWAY FROM MY FOOT, STUCK TO THE FLOOR, AND MY CAR STARTED TO RAPIDLY INCREASE IN SPEED. NOT KNOWING EXACTLY WHAT WAS GOING ON, I HIT THE BRAKES, TO NO AVAIL. THE ENGINE WAS SCREAMING AS THE RPMS RACED INTO THE 7000S. I TRIED TO JIGGLE THE GAS PEDAL FREE WITH MY FOOT, BUT IT WAS STUCK AND WOULD NOT BUDGE. THE BRAKES, WHICH I PRESSED ON AGAIN WITH ALL MY STRENGTH, WOULD NOT OVERPOWER THE ENGINE. I THREW THE MANAUL TRANSMISSION INTO "PARK" BUT THAT DID NOT STOP THE CAR EITHER. I FINALLY TURNED THE IGNITION OFF AND THE CAR CAME TO A GRINDING HALT IN THE MIDDLE OF THE STREET. THE CAR WAS TOWED TO THE CLOSET AUDI DEALERSHIP, HOEHN AUDI. THEY HAD THE CAR FOR TWO WEEKS BUT TOLD ME SINCE THEY WERE NOT ABLE TO RECREATE THE PROBLEM AND DID NOT DETECT ANY MALFUNCTIONS IN THE CAR'S COMPUTER, THERE WAS NOTHING WRONG WITH MY CAR NOR WAS THERE ANYTHING THEY COULD DO FOR ME. IN FACT, THEY TRIED TO TELL ME THAT THE ACCELERATOR MAY HAVE GOTTEN STUCK UNDER THE FLOOR MAT. I TOLD THEM THAT WAS NOT POSSIBLE AND THAT I WAS LOOKING AT THE ACCELERATOR AS I WAS TRYING TO GET IT UNSTUCK AND THERE WAS NO FLOOR MAT IN THE WAY. I ALSO FILED A COMPLAINT WITH AUDI'S CUSTOMER CARE ADVOCATES. MY COMPLAINT WAS DENIED BECAUSE THE DEALERSHIP DID NOT FIND ANYTHING WRONG WITH MY CAR. I THEN TOOK MY CAR TO THE AUDI DEALERSHIP WHERE I LEASED THE VEHICLE, MIRAMAR AUDI, FOR A SECOND OPINION. THEY, TOO, TOLD ME THAT THEY WERE NOT ABLE TO DETECT ANYTHING WRONG WITH MY CAR AND THAT THERE WAS NOTHING MORE THEY COULD DO FOR ME. THEY TOLD ME THAT THEY BELIEVED AUDI CORPORATE WAS INVOLVED BUT WOULD NOT PROVIDE WITH THE NAME OF ANYONE AT AUDI CORPORATE WITH WHOM I COULD DISCUSS THE ISSUE FURTHER. THEY ALSO STATED THAT THEY HAD THREE OTHER AUDIS IN THEIR SERVICE DEPT FOR THE SAME PROBLEM.

NHTSA ODI #10128672

Mileage unknown · Jun 28, 2005
Visibility

DT: THERE IS AN OILY FILM THAT DEVELOPS ON THE INTERIOR OF THE WINDOWS, CAN'T WIPE IT OFF BECAUSE IT SMEARS. TRAVELED 80 MILES A DAY FOR WORK. DOESN'T HAPPEN IN THE WINTER, BUT HAPPENS IN WARM WEATHER. DEALER PUT IN A NEW WINDSHIELD WHICH WAS HAVING SAME PROBLEM. *AK THE OILY FILM CONTINUED TO COVER THE WINDSHIELD AT 11,00…

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DT: THERE IS AN OILY FILM THAT DEVELOPS ON THE INTERIOR OF THE WINDOWS, CAN'T WIPE IT OFF BECAUSE IT SMEARS. TRAVELED 80 MILES A DAY FOR WORK. DOESN'T HAPPEN IN THE WINTER, BUT HAPPENS IN WARM WEATHER. DEALER PUT IN A NEW WINDSHIELD WHICH WAS HAVING SAME PROBLEM. *AK THE OILY FILM CONTINUED TO COVER THE WINDSHIELD AT 11,000 MILES. AUDI DOESN'T PROVIDE A SOLUTION FOR THE PROBLEM AND CONSUMER FEELS THAT THIS CAN CREATE A DANGEROUS PROBLEM *SB

NHTSA ODI #10124897

11,500 miles · May 24, 2005
Vehicle Speed Control

2004 AUDI A4 ACCELERATED FULL THROTTLE WITH PEDAL STUCK TO FLOOR ON 5/20/05. CAR WOULD NOT DECELERATE AND BRAKING HELPED AVERT ACCIDENT. VEHICLE WAS TOWED TO DEALER AND TESTING FOUND NOTHING.

NHTSA ODI #10122048

Mileage unknown · Apr 28, 2005
Tires

WHILE DRIVING 30 MPH, THE CONSUMER HIT A POT HOLE. SUDDENLY, THE VEHICLE VIBRATED UNCONTROLLABLY. THE CONSUMER PULLED OVER, AND NOTICED THAT THE FRONT PASSENGER TIRE WAS FLAT. THE MECHANIC REPLACED THE TIRE. A FEW MONTHS LATER, THE PROBLEM RECURRED WITH FRONT DRIVER'S SIDE TIRE. *AK THIS PROBLEM ALSO OCCURRED WITH THE CO…

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WHILE DRIVING 30 MPH, THE CONSUMER HIT A POT HOLE. SUDDENLY, THE VEHICLE VIBRATED UNCONTROLLABLY. THE CONSUMER PULLED OVER, AND NOTICED THAT THE FRONT PASSENGER TIRE WAS FLAT. THE MECHANIC REPLACED THE TIRE. A FEW MONTHS LATER, THE PROBLEM RECURRED WITH FRONT DRIVER'S SIDE TIRE. *AK THIS PROBLEM ALSO OCCURRED WITH THE CONSUMERS PARENTS' VEHICLE WHICH WAS EQUIPPED WITH THE SAME TIRES. *SC *JB

NHTSA ODI #10117002

Official recalls

2

16V382000 · Air Bags:frontal:passenger Side:inflator Module

Jun 1, 2016

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain model year 2004-2008 Audi A4, and 2005-2011 Audi A6 vehicles originally sold, or ever registered, in Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan), and the U.S. Virgin Islands, or "Zone A." Additionally, unless included in "Zone A" above, Volkswagen is recalling certain model year 2004-2008 Audi A4, and 2005-2008 Audi A6 vehicles originally sold, or ever registered, in Arizona, Arkansas, Delaware, District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia, or "Zone B." Lastly, unless included in "Zone A" or "Zone B" above, Volkswagen is recalling model year 2004 Audi A4 vehicles originally sold, or registered, in Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New York, North Dakota, Oregon, Rhode Island, South Dakota, Utah, Vermont, Washington, Wisconsin, and Wyoming. These vehicles are equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules, and used as original equipment or replacement equipment. In the event of a crash necessitating deployment of the front air bags, these inflators may rupture due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.

Consequence & remedy

Consequence: An inflator rupture may result in metal fragments striking the vehicle occupants resulting in serious injury or death.

Remedy: Audi will notify owners, and dealers will replace the passenger frontal air bag inflator, free of charge. Owner notification letters were mailed April 28, 2017. Owners may contact Audi customer service at 1-800-822-2834.

05V096000 · Exterior Lighting:headlights

Mar 15, 2005

ON CERTAIN PASSENGER VEHICLES, THERE IS A POSSIBILITY OF XENON HEADLAMP COATING DEGRADATION OVER TIME. THE LUMINOUS TRANSMITTANCE OF THE HEADLAMP MAY DECREASE OVER A PERIOD OF TIME.

Consequence & remedy

Consequence: THIS CONDITION COULD AFFECT A DRIVER'S FIELD OF VIEW, INCREASING THE RISK OF A CRASH.

Remedy: DEALERS WILL REPLACE THE LEFT AND RIGHT XENON HEADLAMP REFLECTORS FREE OF CHARGE. THE RECALL BEGAN ON APRIL 11, 2005. OWNERS MAY CONTACT AUDI AT 1-800-822-2834.

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

1

PE08027 · Engine Stalling - Fuel Pump Failure

Opened Apr 14, 2008 · Closed Aug 6, 2008

Status: closed (inferred from source dates) · Fuel System, Gasoline; Fuel System, Gasoline:delivery; Fuel System, Gasoline:delivery:fuel Pump

IN RESPONSE TO ODI'S INFORMATION REQUEST FOR PE08-027, VOLKSWAGEN AG (VW) STATED THAT IT BELIEVES THAT THE POSSIBLE CAUSAL OR CONTRIBUTORY FACTORS OF THE ALLEGED DEFECT IN THE SUBJECT VEHICLES COULD RESULT FROM EXCESSIVE ACCUMULATION OF FOREIGN MATERIALS IN THE FUEL FILTER.IN RARE CASES, THE FUEL FILTER COULD BECOME CLOGGED, WHICH CAN CAUSE INCREASED PRESSURE ON THE PUMP.VW INDICATED THAT ENGINE STALLS RESULTING FROM THIS CONDITION ARE RARE AND WOULD BE PRECEDED BY SYMPTOMS SUCH AS REDUCED ENGINE POWER, NOISE OR HESITATION.ODI'S ANALYSIS OF COMPLAINT AND WARRANTY DATA DETERMINED THAT THE RATE OF ENGINE STALL INCIDENTS RESULTING FROM FUEL PUMP FAILURE IS LOW AT APPROXIMATELY 0.2 PERCENT AFTER THREE YEARS IN SERVICE. ON JANUARY 17, 2006, VW SUBMITTED A DEFECT INFORMATION REPORT TO ODI CONCERNING A SAFETY RECALL TO ADDRESS A DEFECT IN THE FUEL PUMPS OF APPROXIMATELY 74,000 MODEL YEAR (MY) 2003 VOLKSWAGEN PASSAT (47,000), AUDI A4 (20,000) AND AUDI A6 (7,000) VEHICLES BUILT FROM SEPTEMBER 2002 THROUGH MARCH 2003 (NHTSA RECALL NO. 06V-017, VW RECALL NOS. M7 FOR PASSAT AND JL FOR AUDI A4 AND A6).ACCORDING TO VW, A SUB-SUPPLIER EXPERIENCED AN UNKNOWN CHANGE IN THE MATERIAL COMPOSITION OF THE CARBON-BRUSH SET USED IN THE ELECTRIC MOTOR IN THE FUEL PUMP, WHICH COULD LEAD TO INCREASED WEAR OF THE CARBON-BRUSH SETS, WHICH IN TURN CAN LEAD TO AN INOPERATIVE FUEL PUMP AND, ULTIMATELY, STOPPAGE OF FUEL SUPPLY TO THE ENGINE.ON JULY 23, 2007, VW EXPANDED THE SCOPE OF THE RECALL TO INCLUDE VEHICLES MANUFACTURED FROM AUGUST 2002 THROUGH APRIL 2003, ADDING ANOTHER 34,358 VEHICLES TO THE ORIGINAL RECALL (24,801 VOLKSWAGEN PASSAT, 7,436 AUDI A4 AND 2,121 AUDI A6 VEHICLES).ODI ASSIGNED RECALL NO. 07V-375 TO THE AMENDED RECALL REPORT. THE MY 2004 AUDI A4 VEHICLES THAT ARE THE SUBJECT OF PE08-027 ARE NOT AFFECTED BY THE SUB-SUPPLIER ISSUE THAT PROMPTED 06V-017 AND 07V-375.PRODUCTION OF THE MY 2004 VEHICLES BEGAN FOUR MONTHS AFTER THE AMENDED PRODUCTION RANGE IDENTIFIED IN 07V-375.THE FUEL PUMP FAILURES IN THE MY 2004 VEHICLES HAVE DIFFERENT CAUSES THAN THE DEFECT IDENTIFIED IN THE PRIOR RECALL POPULATIONS AND HAVE OCCURRED AT MUCH LOWER FREQUENCIES. FURTHER INVESTIGATION OF THIS MATTER WOULD NOT BE AN EFFICIENT ALLOCATION OF AGENCY RESOURCES.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FIND BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY WILL CONTINUE TO MONITOR COMPLAINTS AND OTHER INFORMATION RELATING TO THE ALLEGED DEFECT IN THE SUBJECT VEHICLES AND TAKE FURTHER ACTION IN THE FUTURE IF WARRANTED.

Additional source detail variants (3)

Fuel System, Gasoline:delivery:fuel Pump

IN RESPONSE TO ODI'S INFORMATION REQUEST FOR PE08-027, VOLKSWAGEN AG (VW) STATED THAT IT BELIEVES THAT THE POSSIBLE CAUSAL OR CONTRIBUTORY FACTORS OF THE ALLEGED DEFECT IN THE SUBJECT VEHICLES COULD RESULT FROM EXCESSIVE ACCUMULATION OF FOREIGN MATERIALS IN THE FUEL FILTER.IN RARE CASES, THE FUEL FILTER COULD BECOME CLOGGED, WHICH CAN CAUSE INCREASED PRESSURE ON THE PUMP.VW INDICATED THAT ENGINE STALLS RESULTING FROM THIS CONDITION ARE RARE AND WOULD BE PRECEDED BY SYMPTOMS SUCH AS REDUCED ENGINE POWER, NOISE OR HESITATION.ODI'S ANALYSIS OF COMPLAINT AND WARRANTY DATA DETERMINED THAT THE RATE OF ENGINE STALL INCIDENTS RESULTING FROM FUEL PUMP FAILURE IS LOW AT APPROXIMATELY 0.2 PERCENT AFTER THREE YEARS IN SERVICE. ON JANUARY 17, 2006, VW SUBMITTED A DEFECT INFORMATION REPORT TO ODI CONCERNING A SAFETY RECALL TO ADDRESS A DEFECT IN THE FUEL PUMPS OF APPROXIMATELY 74,000 MODEL YEAR (MY) 2003 VOLKSWAGEN PASSAT (47,000), AUDI A4 (20,000) AND AUDI A6 (7,000) VEHICLES BUILT FROM SEPTEMBER 2002 THROUGH MARCH 2003 (NHTSA RECALL NO. 06V-017, VW RECALL NOS. M7 FOR PASSAT AND JL FOR AUDI A4 AND A6).ACCORDING TO VW, A SUB-SUPPLIER EXPERIENCED AN UNKNOWN CHANGE IN THE MATERIAL COMPOSITION OF THE CARBON-BRUSH SET USED IN THE ELECTRIC MOTOR IN THE FUEL PUMP, WHICH COULD LEAD TO INCREASED WEAR OF THE CARBON-BRUSH SETS, WHICH IN TURN CAN LEAD TO AN INOPERATIVE FUEL PUMP AND, ULTIMATELY, STOPPAGE OF FUEL SUPPLY TO THE ENGINE.ON JULY 23, 2007, VW EXPANDED THE SCOPE OF THE RECALL TO INCLUDE VEHICLES MANUFACTURED FROM AUGUST 2002 THROUGH APRIL 2003, ADDING ANOTHER 34,358 VEHICLES TO THE ORIGINAL RECALL (24,801 VOLKSWAGEN PASSAT, 7,436 AUDI A4 AND 2,121 AUDI A6 VEHICLES).ODI ASSIGNED RECALL NO. 07V-375 TO THE AMENDED RECALL REPORT. THE MY 2004 AUDI A4 VEHICLES THAT ARE THE SUBJECT OF PE08-027 ARE NOT AFFECTED BY THE SUB-SUPPLIER ISSUE THAT PROMPTED 06V-017 AND 07V-375.PRODUCTION OF THE MY 2004 VEHICLES BEGAN FOUR MONTHS AFTER THE AMENDED PRODUCTION RANGE IDENTIFIED IN 07V-375.THE FUEL PUMP FAILURES IN THE MY 2004 VEHICLES HAVE DIFFERENT CAUSES THAN THE DEFECT IDENTIFIED IN THE PRIOR RECALL POPULATIONS AND HAVE OCCURRED AT MUCH LOWER FREQUENCIES. FURTHER INVESTIGATION OF THIS MATTER WOULD NOT BE AN EFFICIENT ALLOCATION OF AGENCY RESOURCES.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FIND BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY WILL CONTINUE TO MONITOR COMPLAINTS AND OTHER INFORMATION RELATING TO THE ALLEGED DEFECT IN THE SUBJECT VEHICLES AND TAKE FURTHER ACTION IN THE FUTURE IF WARRANTED.

Fuel System, Gasoline:delivery

IN RESPONSE TO ODI'S INFORMATION REQUEST FOR PE08-027, VOLKSWAGEN AG (VW) STATED THAT IT BELIEVES THAT THE POSSIBLE CAUSAL OR CONTRIBUTORY FACTORS OF THE ALLEGED DEFECT IN THE SUBJECT VEHICLES COULD RESULT FROM EXCESSIVE ACCUMULATION OF FOREIGN MATERIALS IN THE FUEL FILTER.IN RARE CASES, THE FUEL FILTER COULD BECOME CLOGGED, WHICH CAN CAUSE INCREASED PRESSURE ON THE PUMP.VW INDICATED THAT ENGINE STALLS RESULTING FROM THIS CONDITION ARE RARE AND WOULD BE PRECEDED BY SYMPTOMS SUCH AS REDUCED ENGINE POWER, NOISE OR HESITATION.ODI'S ANALYSIS OF COMPLAINT AND WARRANTY DATA DETERMINED THAT THE RATE OF ENGINE STALL INCIDENTS RESULTING FROM FUEL PUMP FAILURE IS LOW AT APPROXIMATELY 0.2 PERCENT AFTER THREE YEARS IN SERVICE. ON JANUARY 17, 2006, VW SUBMITTED A DEFECT INFORMATION REPORT TO ODI CONCERNING A SAFETY RECALL TO ADDRESS A DEFECT IN THE FUEL PUMPS OF APPROXIMATELY 74,000 MODEL YEAR (MY) 2003 VOLKSWAGEN PASSAT (47,000), AUDI A4 (20,000) AND AUDI A6 (7,000) VEHICLES BUILT FROM SEPTEMBER 2002 THROUGH MARCH 2003 (NHTSA RECALL NO. 06V-017, VW RECALL NOS. M7 FOR PASSAT AND JL FOR AUDI A4 AND A6).ACCORDING TO VW, A SUB-SUPPLIER EXPERIENCED AN UNKNOWN CHANGE IN THE MATERIAL COMPOSITION OF THE CARBON-BRUSH SET USED IN THE ELECTRIC MOTOR IN THE FUEL PUMP, WHICH COULD LEAD TO INCREASED WEAR OF THE CARBON-BRUSH SETS, WHICH IN TURN CAN LEAD TO AN INOPERATIVE FUEL PUMP AND, ULTIMATELY, STOPPAGE OF FUEL SUPPLY TO THE ENGINE.ON JULY 23, 2007, VW EXPANDED THE SCOPE OF THE RECALL TO INCLUDE VEHICLES MANUFACTURED FROM AUGUST 2002 THROUGH APRIL 2003, ADDING ANOTHER 34,358 VEHICLES TO THE ORIGINAL RECALL (24,801 VOLKSWAGEN PASSAT, 7,436 AUDI A4 AND 2,121 AUDI A6 VEHICLES).ODI ASSIGNED RECALL NO. 07V-375 TO THE AMENDED RECALL REPORT. THE MY 2004 AUDI A4 VEHICLES THAT ARE THE SUBJECT OF PE08-027 ARE NOT AFFECTED BY THE SUB-SUPPLIER ISSUE THAT PROMPTED 06V-017 AND 07V-375.PRODUCTION OF THE MY 2004 VEHICLES BEGAN FOUR MONTHS AFTER THE AMENDED PRODUCTION RANGE IDENTIFIED IN 07V-375.THE FUEL PUMP FAILURES IN THE MY 2004 VEHICLES HAVE DIFFERENT CAUSES THAN THE DEFECT IDENTIFIED IN THE PRIOR RECALL POPULATIONS AND HAVE OCCURRED AT MUCH LOWER FREQUENCIES. FURTHER INVESTIGATION OF THIS MATTER WOULD NOT BE AN EFFICIENT ALLOCATION OF AGENCY RESOURCES.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FIND BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY WILL CONTINUE TO MONITOR COMPLAINTS AND OTHER INFORMATION RELATING TO THE ALLEGED DEFECT IN THE SUBJECT VEHICLES AND TAKE FURTHER ACTION IN THE FUTURE IF WARRANTED.

Fuel System, Gasoline

IN RESPONSE TO ODI'S INFORMATION REQUEST FOR PE08-027, VOLKSWAGEN AG (VW) STATED THAT IT BELIEVES THAT THE POSSIBLE CAUSAL OR CONTRIBUTORY FACTORS OF THE ALLEGED DEFECT IN THE SUBJECT VEHICLES COULD RESULT FROM EXCESSIVE ACCUMULATION OF FOREIGN MATERIALS IN THE FUEL FILTER.IN RARE CASES, THE FUEL FILTER COULD BECOME CLOGGED, WHICH CAN CAUSE INCREASED PRESSURE ON THE PUMP.VW INDICATED THAT ENGINE STALLS RESULTING FROM THIS CONDITION ARE RARE AND WOULD BE PRECEDED BY SYMPTOMS SUCH AS REDUCED ENGINE POWER, NOISE OR HESITATION.ODI'S ANALYSIS OF COMPLAINT AND WARRANTY DATA DETERMINED THAT THE RATE OF ENGINE STALL INCIDENTS RESULTING FROM FUEL PUMP FAILURE IS LOW AT APPROXIMATELY 0.2 PERCENT AFTER THREE YEARS IN SERVICE. ON JANUARY 17, 2006, VW SUBMITTED A DEFECT INFORMATION REPORT TO ODI CONCERNING A SAFETY RECALL TO ADDRESS A DEFECT IN THE FUEL PUMPS OF APPROXIMATELY 74,000 MODEL YEAR (MY) 2003 VOLKSWAGEN PASSAT (47,000), AUDI A4 (20,000) AND AUDI A6 (7,000) VEHICLES BUILT FROM SEPTEMBER 2002 THROUGH MARCH 2003 (NHTSA RECALL NO. 06V-017, VW RECALL NOS. M7 FOR PASSAT AND JL FOR AUDI A4 AND A6).ACCORDING TO VW, A SUB-SUPPLIER EXPERIENCED AN UNKNOWN CHANGE IN THE MATERIAL COMPOSITION OF THE CARBON-BRUSH SET USED IN THE ELECTRIC MOTOR IN THE FUEL PUMP, WHICH COULD LEAD TO INCREASED WEAR OF THE CARBON-BRUSH SETS, WHICH IN TURN CAN LEAD TO AN INOPERATIVE FUEL PUMP AND, ULTIMATELY, STOPPAGE OF FUEL SUPPLY TO THE ENGINE.ON JULY 23, 2007, VW EXPANDED THE SCOPE OF THE RECALL TO INCLUDE VEHICLES MANUFACTURED FROM AUGUST 2002 THROUGH APRIL 2003, ADDING ANOTHER 34,358 VEHICLES TO THE ORIGINAL RECALL (24,801 VOLKSWAGEN PASSAT, 7,436 AUDI A4 AND 2,121 AUDI A6 VEHICLES).ODI ASSIGNED RECALL NO. 07V-375 TO THE AMENDED RECALL REPORT. THE MY 2004 AUDI A4 VEHICLES THAT ARE THE SUBJECT OF PE08-027 ARE NOT AFFECTED BY THE SUB-SUPPLIER ISSUE THAT PROMPTED 06V-017 AND 07V-375.PRODUCTION OF THE MY 2004 VEHICLES BEGAN FOUR MONTHS AFTER THE AMENDED PRODUCTION RANGE IDENTIFIED IN 07V-375.THE FUEL PUMP FAILURES IN THE MY 2004 VEHICLES HAVE DIFFERENT CAUSES THAN THE DEFECT IDENTIFIED IN THE PRIOR RECALL POPULATIONS AND HAVE OCCURRED AT MUCH LOWER FREQUENCIES. FURTHER INVESTIGATION OF THIS MATTER WOULD NOT BE AN EFFICIENT ALLOCATION OF AGENCY RESOURCES.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FIND BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY WILL CONTINUE TO MONITOR COMPLAINTS AND OTHER INFORMATION RELATING TO THE ALLEGED DEFECT IN THE SUBJECT VEHICLES AND TAKE FURTHER ACTION IN THE FUTURE IF WARRANTED.