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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
52,447 miles · Nov 24, 2010
Vehicle Speed Control

1. ON NOVEMBER 4TH, I TRAVELED EARLY IN THE DAY FROM PITTSBURGH TO ALTOONA, PA USING MY CRUISE CONTROL OFTEN ON THE HIGHWAYS AND ROADS. I RETURNED TO PITTSBURGH AFTER WORK AND I PICKED UP MY DAUGHTER AT SCHOOL AROUND 5 PM. WE DROVE AND WENT TO DINNER. WE DROVE AND ATTENDED AN EVENT AT 7:30 PM. 2. FOLLOWING THE COLLEGE AD…

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1. ON NOVEMBER 4TH, I TRAVELED EARLY IN THE DAY FROM PITTSBURGH TO ALTOONA, PA USING MY CRUISE CONTROL OFTEN ON THE HIGHWAYS AND ROADS. I RETURNED TO PITTSBURGH AFTER WORK AND I PICKED UP MY DAUGHTER AT SCHOOL AROUND 5 PM. WE DROVE AND WENT TO DINNER. WE DROVE AND ATTENDED AN EVENT AT 7:30 PM. 2. FOLLOWING THE COLLEGE ADMISSIONS EVENT AROUND 9:00 PM, WE DROVE SEVERAL MILES TO OUR HOME. AS WE WERE LEAVING DOWNTOWN PITTSBURGH, AND ONE MILE FROM OUR HOME, THE CAR'S ACCELERATOR PEDAL REMAINED DOWN ON ITS OWN, PUSHING THE CAR FORWARD. I STOOD ON THE BRAKE TO STOP THE CAR AS WE CAME TO A STOP LIGHT. I TOOK MY FOOT OFF THE BRAKE AND THE ACCELERATOR PEDAL REMAINED IN THE DOWN POSITION WITH THE CAR ACCELERATING ON ITS OWN. I ONCE AGAIN STOPPED THE CAR BY STANDING ON THE BRAKE. I THEN TRIED TO LIFT THE PEDAL PHYSICALLY WITH MY HAND AND FOOT, BELIEVING THAT WOULD HELP. I ALSO TRIED MOVING THE MAT. THE CAR HAD BEEN INSPECTED TWO WEEKS EARLIER AND THE MAT LOCK WAS NOT PUT BACK ON. THE CAR WAS MOVING ON ITS OWN. I STOPPED THE CAR BY STANDING ON THE BRAKE, PUT IT IN PARK AND THE ENGINE REVVED VERY HIGH AND I QUICKLY TURNED OFF THE ENGINE. THIS HAD NEVER HAPPENED BEFORE IN THE NEARLY 2 YEAR HISTORY OF OWNING THE CAR. FOR ONE MILE, THE CAR'S ACCELERATOR WAS STUCK TO THE FLOOR OF THE VEHICLE. 3. IN THE MORNING, I CALLED THE DEALERSHIP THAT SERVICES THE CAR AND HAD CONDUCTED THE INSPECTION TWO WEEKS EARLIER. I USED MY AAA SERVICE TO TOW THE CAR INTO THE DEALERSHIP. THE TOW TRUCK DRIVER DID START THE CAR AND THE PEDAL WAS NO LONGER STUCK. THE DEALERSHIP WAS UNABLE TO RECREATE THE EVENT AND RETURNED MY CAR IN ONE WEEK STATING THEY HAD OPENED A FILE, CONTACTED THE MANUFACTURER, AND THAT I COULD COME AND TAKE MY CAR BACK AND DRIVE IT. IT APPEARED THEY DROVE IT 35 MILES IN THAT TIME PERIOD. I AM DRIVING THE CAR AND I HAVE NOT USED MY CRUISE CONTROL. I REMAIN CONCERNED FOR THE SAFETY OF MYSELF, MY FAMILY AND MY COMMUNITY. I AM NOT SURE WHAT I SHOULD DO. *TR

NHTSA ODI #10367731

123,568 miles · Nov 19, 2010
Fuel System, Gasoline

IN THE MIDDLE OF DRIVING ON FREEWAY ENGINE STOPPED WORKING WHILE IN TRAFFIC HAD TO MAKE EMERGENCY MANEUVERS TO AVOID BEING HIT BY TRAFFIC TRAVELING AT FREEWAY SPEEDS. GOT TO SIDE OF ROAD WHERE CAR WOULDN'T START TOOK TO DEALER WHICH STATED THAT A NEW FUEL PUMP WAS REQUIRED. *TR

NHTSA ODI #10366905

57,000 miles · Oct 24, 2010
Engine And Engine Cooling

MY DAUGHTER WAS DRIVING HER 2004 AUDI A4 AT ABOUT 40 MILES PER HOUR WHEN THE CAR JERKED, SHE THEN PULLED UP TO THE STOP LIGHT AND STOPPED. THE CAR STALLED AND WOULD NOT START. THE ENGINE WARNING LIGHT WAS ON. WE PUSHED THE CAR OUT OF THE LANE OF TRAFFIC. A FEW HOURS LATER WE WENT BACK TO THE CAR AND IT STARTED UP WITH NO PR…

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MY DAUGHTER WAS DRIVING HER 2004 AUDI A4 AT ABOUT 40 MILES PER HOUR WHEN THE CAR JERKED, SHE THEN PULLED UP TO THE STOP LIGHT AND STOPPED. THE CAR STALLED AND WOULD NOT START. THE ENGINE WARNING LIGHT WAS ON. WE PUSHED THE CAR OUT OF THE LANE OF TRAFFIC. A FEW HOURS LATER WE WENT BACK TO THE CAR AND IT STARTED UP WITH NO PROBLEM, WE DROVE THE CAR WITH NO PROBLEMS. THIS IS A VERY DANGEROUS SITUATION AND IT APPEARS THAT OTHER OWNERS HAVE HAD THIS PROBLEM. THERE WAS AN INVESTIGATION PE08027 OPENED ON THIS ISSUE IN 2008 AND CLOSED IN 2008 WITHOUT A RECALL. *TR

NHTSA ODI #10362178

50,000 miles · Sep 28, 2010
Exterior Lighting

I PURCHASED A USED 2004 AUDI A4 IN NOVEMBER 2007 FROM AN AUDI DEALERSHIP. IN THE FALL OF 2008, BOTH MY HEADLIGHTS AND BOTH TAILLIGHTS ALL WENT OUT WITHIN A MONTH OF EACH OTHER. I BROUGHT THE CAR INTO THE AUDI DEALERSHIP AND PAID FOR SERVICE REPLACEMENT BULBS FOR ALL FOUR LIGHTS. ABOUT A MONTH AGO, MY CAR DASHBOARD GAVE A WARN…

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I PURCHASED A USED 2004 AUDI A4 IN NOVEMBER 2007 FROM AN AUDI DEALERSHIP. IN THE FALL OF 2008, BOTH MY HEADLIGHTS AND BOTH TAILLIGHTS ALL WENT OUT WITHIN A MONTH OF EACH OTHER. I BROUGHT THE CAR INTO THE AUDI DEALERSHIP AND PAID FOR SERVICE REPLACEMENT BULBS FOR ALL FOUR LIGHTS. ABOUT A MONTH AGO, MY CAR DASHBOARD GAVE A WARNING THAT MY REAR LEFT FOG LIGHT WENT OUT. I HAVE NOT REPLACED THAT YET, AS I DO NOT USE MY FOG LIGHTS. LAST WEEK, I GOT ANOTHER DASHBOARD MESSAGE THAT MY RIGHT FRONT HEADLIGHT HAS DIPPED. THE RIGHT HEADLIGHT IS NOW MUCH MORE DIM THAN THE LEFT ONE. BECAUSE IT HAS BEEN SUMMER, I HAVE VERY RARELY NEEDED TO DRIVE AT DARK USING HEADLIGHTS IN THE PAST FEW MONTHS. I RESEARCHED ON THE INTERNET AND FOUND SEVERAL COMPLAINTS FOR AUDI CARS WITH DIPPED FRONT HEADLIGHT PROBLEMS, AND NO RESOLUTIONS OR TRUE FIXES FOR THE PROBLEM. AT A MINIMUM, IT APPEARS IT WILL CAUSE GREAT EXPENSE TO HAVE THE HEADLIGHT FIXED, ONLY TO HAVE A VERY HIGH CHANCE OF THE PROBLEM RECURRING ANYWAY. SEVERAL OF THOSE WEBSITE REFERRED ME TO THIS COMPLAINT FORM. I HAVE NOT YET CONTACTED THE AUDI DEALER ABOUT FIXING THIS PROBLEM, AS I DON'T WANT TO PAY FOR JUST A TEMPORARY FIX. AS WE NOW GET INTO THE FALL AND WINTER MONTHS, I AM CONCERNED FOR MY SAFETY WHILE DRIVING IN THE DARK. *TR

NHTSA ODI #10358006

99,000 miles · Sep 21, 2010
Electrical SystemEngine And Engine Cooling

2004 AUDI A4 1.8T ENGINE SLUDGE--COMPLETE ENGINE FAILURE. AUDI ABSURDLY REFUSES TO HONOR THEIR OWN EXTENDED WARRANTY ON THE BASIS THE CAR WAS RUN WITHOUT OIL. THE ENGINE FAILED INTERNALLY BECAUSE THERE WAS AND IS SLUDGE BLOCKING LUBRICATION PORTS TO THE MOVING PARTS, I.E., FAILURE. THIS IS MY EXECUTIVE SYNOPSIS, BUT I HAVE VO…

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2004 AUDI A4 1.8T ENGINE SLUDGE--COMPLETE ENGINE FAILURE. AUDI ABSURDLY REFUSES TO HONOR THEIR OWN EXTENDED WARRANTY ON THE BASIS THE CAR WAS RUN WITHOUT OIL. THE ENGINE FAILED INTERNALLY BECAUSE THERE WAS AND IS SLUDGE BLOCKING LUBRICATION PORTS TO THE MOVING PARTS, I.E., FAILURE. THIS IS MY EXECUTIVE SYNOPSIS, BUT I HAVE VOLUMES OF SUPPORTING EVIDENCE, UNBELIEVABLE AS IT IS TO THINK THIS COULD HAPPEN IN AMERICA. *TR

NHTSA ODI #10356718

74,500 miles · Aug 29, 2010
Exterior LightingVisibility

2004 AUDI A4 3.0 REPORTING "LEFT DIPPED HEADLIGHT" WITH LEFT HEADLIGHT FLICKERING ON AND OFF. WITH NO KNOWN WAY TO FIX THIS PROBLEM, PER AUDI DEALERSHIP, WHAT HAPPENS WHEN THE RIGHT HEADLIGHT ALSO GOES BAD? NOT ONLY DANGEROUS TO THE DRIVER, BUT ON-COMING TRAFFIC! ONLY A MATTER OF TIME BEFORE SOMEONE GETS KILLED RELATED TO AUD…

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2004 AUDI A4 3.0 REPORTING "LEFT DIPPED HEADLIGHT" WITH LEFT HEADLIGHT FLICKERING ON AND OFF. WITH NO KNOWN WAY TO FIX THIS PROBLEM, PER AUDI DEALERSHIP, WHAT HAPPENS WHEN THE RIGHT HEADLIGHT ALSO GOES BAD? NOT ONLY DANGEROUS TO THE DRIVER, BUT ON-COMING TRAFFIC! ONLY A MATTER OF TIME BEFORE SOMEONE GETS KILLED RELATED TO AUDI HEADLIGHT ISSUE! SOMETHING NEEDS TO BE DONE & IMMEDIATELY. ~THERE WERE NO EVENTS LEADING UP TO IT'S FAILURE & THIS PROBLEM OCCURS CONTINUOUSLY... *TR

NHTSA ODI #10352634

80,000 miles · Aug 15, 2010
Engine And Engine Cooling

ONE DAY THE LOW OIL LIGHT CAME ON, BROUGHT IT TO CAROUSOL AUDI IN GOLDEN VALLEY MN AND THEY INFORMED ME ABOUT THE OIL SLUDGE PROBLEM AND TOLD ME TO GET MY OIL RECEIPTS READY. I CHANGED MY OWN OIL AND DON'T HAVE MY OIL RECEIPTS AND AM NOW BEING DENIED A WARRANTY COVERAGE. WAS TOLD THAT I WOULD HAVE A NEW ENGINE PUT IN IF I HAD …

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ONE DAY THE LOW OIL LIGHT CAME ON, BROUGHT IT TO CAROUSOL AUDI IN GOLDEN VALLEY MN AND THEY INFORMED ME ABOUT THE OIL SLUDGE PROBLEM AND TOLD ME TO GET MY OIL RECEIPTS READY. I CHANGED MY OWN OIL AND DON'T HAVE MY OIL RECEIPTS AND AM NOW BEING DENIED A WARRANTY COVERAGE. WAS TOLD THAT I WOULD HAVE A NEW ENGINE PUT IN IF I HAD OIL RECEIPTS BUT WILL COST AT LEAST 9000 WITHOUT THE WARRANTY. *TR

NHTSA ODI #10349391

82,700 miles · Aug 10, 2010
Service Brakes, Hydraulic

I WAS DRIVING MY AUDI A4 2004 DOWN A SLIGHT SLOPE AND HAD TO STOP AT THE RED LIGHT JUST BEFORE CROSSING A MAJOR HIGHWAY (VA 123). AS I SAW THE RED LIGHT, I TRIED TO PRESS ON THE BREAKS AND AROUND THE SAME TIME, I REALIZED THAT THE CAR STARTED SHAKING AS IF IT WAS ABOUT TO STALL. HOWEVER, THE CAR DID NOT STALL AND THE BREAK WAS R…

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I WAS DRIVING MY AUDI A4 2004 DOWN A SLIGHT SLOPE AND HAD TO STOP AT THE RED LIGHT JUST BEFORE CROSSING A MAJOR HIGHWAY (VA 123). AS I SAW THE RED LIGHT, I TRIED TO PRESS ON THE BREAKS AND AROUND THE SAME TIME, I REALIZED THAT THE CAR STARTED SHAKING AS IF IT WAS ABOUT TO STALL. HOWEVER, THE CAR DID NOT STALL AND THE BREAK WAS ROCK HARD. I COULDN'T APPLY THE BREAKS. I LOWERED THE GEAR AND USED THE HAND BREAK TO STOP THE CAR. I HAD THE CAR TOWED TO THE AUDI DEALER. DEALER TOLD ME THAT THE SUCTION PUMP VALVE SPLIT INTO TWO AND THAT IS WHY THE ENGINE SUDDENLY GOT TOO MUCH AIR AND THE BREAK POWER ASSIST ALSO FAILED. THEY HAVE REPLACED THE SUCTION PUMP. THE OLD PART HAS BEEN TRASHED. *TR

NHTSA ODI #10348587

75,200 miles · Jul 12, 2010
Power Train

2004 AUDI A4 1.8L TURBO - THE CAR SUFFERS FROM A PROBLEM THAT BEGINS WITH A FLASHING OF THE GEAR SELECTOR RANGE (PRNDS). THIS OCCURS CONSISTENTLY, EVERY TIME THE VEHICLE IS OPERATED. WHEN PRNDS IS FLASHING THE VEHICLE POSSESSES A SERIOUS SAFETY CONCERN THAT HAS OCCURRED (3) TIMES SINCE THE ONSET OF THIS CONDITION. WHILE THE G…

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2004 AUDI A4 1.8L TURBO - THE CAR SUFFERS FROM A PROBLEM THAT BEGINS WITH A FLASHING OF THE GEAR SELECTOR RANGE (PRNDS). THIS OCCURS CONSISTENTLY, EVERY TIME THE VEHICLE IS OPERATED. WHEN PRNDS IS FLASHING THE VEHICLE POSSESSES A SERIOUS SAFETY CONCERN THAT HAS OCCURRED (3) TIMES SINCE THE ONSET OF THIS CONDITION. WHILE THE GEAR SELECTOR RANGE WAS FLASHING I PULLED OVER TO RE-FUEL AT A LOCAL GAS STATION. AFTER PURCHASING GAS I RETURNED TO THE CAR, STARTED IT UP, AND THE FLASHING PRNDS CONDITION PERSISTED. WHEN I ENGAGED REVERSE TO EXIT THE GAS PUMP AREA THE CAR VERY SUDDENLY LUNGED BACKWARDS WITH SUCH TREMENDOUS FORCE THAT THE VEHICLE BREAK SYSTEM COULD NOT CONTAIN THE JOLTING FORCE OF THE BACKWARDS MOVEMENT. IF ANYONE HAD BEEN STANDING BEHIND ME......THEY WOULD HAVE BEEN VERY SERIOUSLY INJURED OR KILLED. I HAVE MADE EFFORTS TO CONTACT THE VEHICLE MANUFACTURER (AUDI OF AMERICA) AND THEY FAIL TO ACKNOWLEDGE THIS VERY SERIOUS SAFETY ISSUE. THIS IS SIMPLY UNACCEPTABLE.... ESPECIALLY IN LIGHT OF THE FACT THAT THE COMPANY HAS FULL KNOWLEDGE OF THIS DEFECTIVE AND THREATENING VEHICLE CONDITION. THERE ARE MANY OTHER AUDI A4 OWNERS THAT HAVE REPORTED THIS PROBLEM, AND IT IS WELL DOCUMENTED ON AUDI FORUMS ON THE INTERNET. THE HEART OF MY CONCERN: INSTEAD OF VOLUNTEERING TO REPAIR THIS SERIOUS SAFETY HAZARD, AUDI OF AMERICA HAS ADVISED THAT I NEED TO HAVE THE TRANSMISSION CONTROL MODULE REPLACED AT A PERSONAL COST TO ME OF APPROXIMATELY $3,000.00, WHICH I FIND APPALLING. THE CAR CONTINUES TO EXHIBIT THIS DRIVING CONDITION, AND LUNGING REVERSE CONDITION CAN BE REPLICATED. I WOULD LIKE THE OPPORTUNITY TO CALL THIS TO THE ATTENTION OF THE NHTSA FOR REVIEW BEFORE SOMEONE IS SERIOUSLY HURT OR KILLED. I WOULD VERY MUCH APPRECIATE THE OPPORTUNITY TO ELEVATE MY CONCERN ASAP. *TR

NHTSA ODI #10342562

63,500 miles · Jul 10, 2010
Engine And Engine CoolingFuel System, Gasoline

MY 2004 AUDI A4 IS EXPERIENCING THE SAME PROBLEMS AS THE 2003'S. QUITE A FEW OTHERS ARE EXPERIENCING IT AS WELL: HTTP://WWW.ABOUTAUTOMOBILE.COM/COMPLAINT/2004/AUDI/A4/FUEL+SYSTEM THIS IS NOT THE FIRST TIME THE 04'S HAVE HAD THE SAME PROBLEM AS THE 03'S. NOTE IGNITION COIL PROBLEM IN 04'S SAME AS 03'S YET AUDI IS ACTING TO …

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MY 2004 AUDI A4 IS EXPERIENCING THE SAME PROBLEMS AS THE 2003'S. QUITE A FEW OTHERS ARE EXPERIENCING IT AS WELL: HTTP://WWW.ABOUTAUTOMOBILE.COM/COMPLAINT/2004/AUDI/A4/FUEL+SYSTEM THIS IS NOT THE FIRST TIME THE 04'S HAVE HAD THE SAME PROBLEM AS THE 03'S. NOTE IGNITION COIL PROBLEM IN 04'S SAME AS 03'S YET AUDI IS ACTING TO PREVENT A RECALL BY HAVING A "CAMPAIGN TO REPLACE". *TR

NHTSA ODI #10342435

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.