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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
41,000 miles · Oct 28, 2013
Electrical SystemFuel/propulsion SystemVehicle Speed Control

I WAS DRIVING MY 2004 AUDI A4 (1.8, CONVERTIBLE) ON A LOCAL ROAD AT APPROX 30MPH, WHEN THE ACCELERATOR SUDDENLY DROPPED FROM UNDER MY FOOT AND THE CAR ACCELERATED VERY RAPIDLY. IT FELT LIKE THE CRUISE CONTROL HAD COME ON BY ITSELF (THE CRUISE CONTROL WAS COMPLETELY OFF AT THE TIME). I PUT THE CAR IN NEUTRAL AND PULLED OVER. W…

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I WAS DRIVING MY 2004 AUDI A4 (1.8, CONVERTIBLE) ON A LOCAL ROAD AT APPROX 30MPH, WHEN THE ACCELERATOR SUDDENLY DROPPED FROM UNDER MY FOOT AND THE CAR ACCELERATED VERY RAPIDLY. IT FELT LIKE THE CRUISE CONTROL HAD COME ON BY ITSELF (THE CRUISE CONTROL WAS COMPLETELY OFF AT THE TIME). I PUT THE CAR IN NEUTRAL AND PULLED OVER. WHEN I SHUT THE CAR OFF, THE GAS PEDAL POPPED UP AND FELT NORMAL. WHEN I TURNED THE CAR BACK ON SEVERAL TIMES, IT CONTINUED TO IMMEDIATELY ACCELERATE ALL THE WAY WITH THE GAS PEDAL DROPPING TO THE FLOOR. THE CAR IS NOW BEING TOWED TO A MECHANIC. HAD I BEEN IN A TIGHTER SITUATION AT THE TIME, IT COULD'VE BEEN UGLY. *TR

NHTSA ODI #10549744

100,000 miles · Sep 23, 2013
Air Bags

TL* THE CONTACT OWNS A 2004 AUDI A4. THE CONTACT STATED THAT THE VEHICLE WAS SHIFTED INTO NEUTRAL AND THE PARKING BRAKE WAS APPLIED WHEN THE DRIVER'S SIDE CURTAIN AIR BAGS DEPLOYED ERRONEOUSLY AND WITHOUT WARNING. THE AIR BAG INSIDE THE DRIVER'S SEAT ALSO DEPLOYED AND BECAME DETACHED FROM THE FRAME. THE VEHICLE WAS NOT BEEN INSP…

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TL* THE CONTACT OWNS A 2004 AUDI A4. THE CONTACT STATED THAT THE VEHICLE WAS SHIFTED INTO NEUTRAL AND THE PARKING BRAKE WAS APPLIED WHEN THE DRIVER'S SIDE CURTAIN AIR BAGS DEPLOYED ERRONEOUSLY AND WITHOUT WARNING. THE AIR BAG INSIDE THE DRIVER'S SEAT ALSO DEPLOYED AND BECAME DETACHED FROM THE FRAME. THE VEHICLE WAS NOT BEEN INSPECTED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE INCIDENT. THE APPROXIMATE FAILURE MILEAGE WAS 100,000.

NHTSA ODI #10544948

41,000 miles · Jan 21, 2013
Power Train

I FIRST HAD A CHECK ENGINE LIGHT POP ON MY 04 AUDI A4 CVT THE CODE NUMBER 17090, THEN FLASHING PNDR INDICATOR LIGHTS. AFTER DOING MANY HOURS OF RESEARCH AND HEARING OTHER STORIES ABOUT AUDI CVT ISSUES, I CAME TO A CONCLUSION THAT THE ISSUE LIES WITHIN THE TCM (TRANSMISSION COMPUTER) AND HAS A FAULTY PART THAT GOES BAD. I DID …

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I FIRST HAD A CHECK ENGINE LIGHT POP ON MY 04 AUDI A4 CVT THE CODE NUMBER 17090, THEN FLASHING PNDR INDICATOR LIGHTS. AFTER DOING MANY HOURS OF RESEARCH AND HEARING OTHER STORIES ABOUT AUDI CVT ISSUES, I CAME TO A CONCLUSION THAT THE ISSUE LIES WITHIN THE TCM (TRANSMISSION COMPUTER) AND HAS A FAULTY PART THAT GOES BAD. I DID NOT HAVE THE FUNDS TO REPAIR THIS ISSUE SO I HAVE BEEN DRIVING THE CAR, CAUTION THIS FAILURE WILL CAUSE LOSS OF REVERSE AT ANY GIVEN MOMENT AND SOMETIMES DRIVE. I DID HAVE A CLOSE CALL WHEN I WAS BACKING OUT OF MY DRIVE WAY AND THE CAR STOPPED MOVING, ALL OF A SUDDEN I DIDN'T HAVE REVERSE AND THE CAR THAT WAS DOWN THE ROAD WASN'T WANTING TO SLOW DOWN, HE DID END UP STOPPING FOR ME BUT WAS PISSED OFF, AND I WAS TOO, NO REASON FOR A 40,000 MILE CAR TO HAVE ISSUES LIKE THIS. AUDI QUOTES THIS REPAIR AT $2500. IT SEEMS LIKE EVERY SINGLE AUDI PRODUCED IN THAT SAME TIME PERIOD WITH A CVT TRANSMISSION HAS THIS ISSUE AND SHOULD BE CONSIDERED A MANUFACTURES DEFECT AND SHOULD BE RECALLED SO THEY ARE RESPONSIBLE FOR THE COSTS. AUDI HAS DENIED ME TO HELP WITH THESE COST, BUT I KNOW HAVE HELP OTHERS OUT, SO THEY ARE DEFIANTLY AWARE OF THERE ISSUE. *TR

NHTSA ODI #10493664

105,000 miles · Dec 5, 2012
Fuel/propulsion System

I'M 26, MOTHER OF A 9 YR & 14 MO OLD. CURRENTLY, I'M UNEMPLOYED AND I CAN'T AFFORD TO PAY $2,500 TO REPAIR THE FUEL PUMP THAT AUDI INITIALLY INSTALLED IN MY CAR. I WAS SO EXCITED TO BUY THIS AUDI USED 4 YRS AGO WITH 80,000 MILES. THIS HAS BEEN THE MOST COSTLY AND THE MOST UNSAFE VEHICLE I HAVE OWNED...STALLING OUT WAS NOT FUN AN…

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I'M 26, MOTHER OF A 9 YR & 14 MO OLD. CURRENTLY, I'M UNEMPLOYED AND I CAN'T AFFORD TO PAY $2,500 TO REPAIR THE FUEL PUMP THAT AUDI INITIALLY INSTALLED IN MY CAR. I WAS SO EXCITED TO BUY THIS AUDI USED 4 YRS AGO WITH 80,000 MILES. THIS HAS BEEN THE MOST COSTLY AND THE MOST UNSAFE VEHICLE I HAVE OWNED...STALLING OUT WAS NOT FUN AND VERY SCARY. AUDI DEALERSHIPS HAVE BEEN TRAINED WELL TO DENY OWNING UP TO THE CAR'S DEFECTS. IS AUDI WAITING FOR AN ACCIDENT TO HAPPEN AND PEOPLE/CHILDREN DIE? I GUESS THE COST OF PAYING FOR THE COURT COST WHEN SOMEONE DIES IS NOT A BIG WORRY FOR THE COMPANY - PROBABLY COST MORE TO HAVE THE CARS RECALLED & SAFELY REPAIRED THAN TO PAY FOR COURT & FUNERAL COST. I'M SURE AUDI HAS BEEN AWARE OF THIS PROBLEM SINCE 2003 AND REFUSE TO OWN UP TO THEIR 2003 MISTAKE FLOWING OVER TO THE 2004 MODELS. IT MAKES NO SENSE THAT AUDI WON'T "STEP UP TO THE PLATE" AND HAVE A RECALL. MAYBE THE AUDI COMPANY REALLY CAN'T REPAIR THE CAR AND THE PROBLEM WILL ALWAYS EXIST? I WOULD HOPE THEY HAVE SMART ENGINEERS THAT COULD FIX THE PROBLEM. AUDI REALLY IS COMING ACROSS AS HAVING POOR CUSTOMER CONCERNS FOR OUR SAFETY. WHAT A SHAME, I CAN BARELY MAKE ENDS MEET AND NOW, I CAN'T EVEN AFFORD TO TAKE MY CAR OUT OF THE SHOP...BUT, MAYBE IT'S A BLESSING - AT LEAST, MY CHILDREN AND I ARE SAFE BY NOT DRIVING THAT CAR. COME ON AUDI - RECALL NOW BEFORE SOME DIES!!! AND, WHAT IS THE VEHICLE SAFETY FOLKS DOING FOR US??? I JUST AN ANGRY MOTHER HOPING SOMEONE WILL LISTEN & WITH THE BELIEF THAT THE NHTSA CAN HELP...I WISH I HAD NEVER BOUGHT THIS CAR, I'M STILL MAKING MONTHLY PAYMENTS FOR THE CAR THAT I'M SCARED TO DRIVE NOW. I'M WONDERING BY VENTING ON THIS SITE, IF AUDI EVEN GETS THIS INFORMATION? THIS IS A "NO KIDDING" MATTER THAT SHOULD BE TAKEN SERIOUSLY AND FIXED AS SOON AS POSSIBLE BY THE RESPONSIBLE COMPANY TO SHOW THAT THEY REALLY CARE FOR THEIR CUSTOMERS! *TR

NHTSA ODI #10487508

104,000 miles · Oct 10, 2012
Engine

TL* THE CONTACT OWNS A 2004 AUDI A4. THE CONTACT STATED THAT A WEEK AFTER HAVING THE OIL CHANGED, COOLANT FLANGE REPLACED AND THE READINESS CODES RESET THE ENGINE SEIZED. THE VEHICLE WAS TOWED TO THE DEALER WHO DIAGNOSE THAT THE ENGINE NEEDED TO BE REPLACED. THE TECHNICIAN EXPLAINED THAT THE ENGINE FAILURE WAS NOT DUE TO THE REP…

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TL* THE CONTACT OWNS A 2004 AUDI A4. THE CONTACT STATED THAT A WEEK AFTER HAVING THE OIL CHANGED, COOLANT FLANGE REPLACED AND THE READINESS CODES RESET THE ENGINE SEIZED. THE VEHICLE WAS TOWED TO THE DEALER WHO DIAGNOSE THAT THE ENGINE NEEDED TO BE REPLACED. THE TECHNICIAN EXPLAINED THAT THE ENGINE FAILURE WAS NOT DUE TO THE REPAIRS THAT WERE PREVIOUSLY PERFORMED ON THE VEHICLE. THE FAILURE AND CURRENT MILEAGE WAS 104,000.

NHTSA ODI #10479521

82,000 miles · Aug 20, 2012
Exterior Lighting

TL* THE CONTACT OWNS A 2004 AUDI A4. THE CONTACT STATED THAT THE FRONT PASSENGER HEAD LIGHT FAILED. THE CONTACT TOOK THE VEHICLE TO THE DEALER FOR INSPECTION AND THEY STATED THAT THE LIGHT BULB NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED BUT THE FAILURE RECURRED. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 82,…

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TL* THE CONTACT OWNS A 2004 AUDI A4. THE CONTACT STATED THAT THE FRONT PASSENGER HEAD LIGHT FAILED. THE CONTACT TOOK THE VEHICLE TO THE DEALER FOR INSPECTION AND THEY STATED THAT THE LIGHT BULB NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED BUT THE FAILURE RECURRED. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 82,000.

NHTSA ODI #10471519

92,600 miles · Aug 8, 2012
Power Train

I BOUGHT A 2004 AUDI A4 WITH ONLY 92K MILES ON IT, ON MY WAY HOME WITH THE CAR I HEARD THIS WEIRD NOISE EVERY TIME ACCELERATE IN FIRST GEAR AS SOON AS I CHANGE TO SECOND ITS GONE. AFTER DOING SOME RESEARCH ON-LINE I NOTICED THAT ALOT OF PEOPLE HAVE THE SAME PROBLEM, THEN I STARTED TO WONDER IF AUDI MANUFACTURING COMPANY HAD A R…

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I BOUGHT A 2004 AUDI A4 WITH ONLY 92K MILES ON IT, ON MY WAY HOME WITH THE CAR I HEARD THIS WEIRD NOISE EVERY TIME ACCELERATE IN FIRST GEAR AS SOON AS I CHANGE TO SECOND ITS GONE. AFTER DOING SOME RESEARCH ON-LINE I NOTICED THAT ALOT OF PEOPLE HAVE THE SAME PROBLEM, THEN I STARTED TO WONDER IF AUDI MANUFACTURING COMPANY HAD A RECALL SEEING THAT ITS SUCH A COMMON PROBLEM. THATS HOW I ENDED UP ON THIS WEBSITE. *TR

NHTSA ODI #10469911

107,233 miles · May 30, 2012
Vehicle Speed Control

I WAS DRIVING OUR 2004 AUDI A4 ON A TWO LANE ROAD AT APPROXIMATELY 30 MPH. MOVED INTO THE LEFT HAND LANE AND ACCELERATED TO 35 MPH TO PASS A CAR AND WHEN RELEASING MY FOOT FROM THE GAS PEDAL, THE GAS PEDAL CONTINUED TO DEPRESS ALL THE WAY TO THE FLOOR ON ITS OWN AND THE CAR ACCELERATED AT A HIGH RATE OF SPEED. I COULD NOT PRY …

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I WAS DRIVING OUR 2004 AUDI A4 ON A TWO LANE ROAD AT APPROXIMATELY 30 MPH. MOVED INTO THE LEFT HAND LANE AND ACCELERATED TO 35 MPH TO PASS A CAR AND WHEN RELEASING MY FOOT FROM THE GAS PEDAL, THE GAS PEDAL CONTINUED TO DEPRESS ALL THE WAY TO THE FLOOR ON ITS OWN AND THE CAR ACCELERATED AT A HIGH RATE OF SPEED. I COULD NOT PRY THE GAS PEDAL FROM THE FLOOR AND COULD ONLY SLAM ON THE BREAKS TO SLOW THE CAR DOWN. THE CAR ACCELERATED FOR A TOTAL OF 15-20 SECONDS. NOTHING WAS PHYSICALLY CAUSING THE GAS PEDAL TO STICK TO THE FLOOR SUCH AS THE MAT OR OTHER OBSTRUCTION. WAS ABLE TO AVOID A COLLISION WITH ANOTHER VEHICLE. WILL NO LONGER DRIVE MY CAR FOR FEAR IT WILL HAPPEN AGAIN. I HAVE TWO YOUNG KIDS THAT WERE IN THE CAR AT THE TIME. HAVE READ ABOUT SIMILAR ISSUES WITH OTHER PEOPLES AUDI?S ON THIS SITE. SOMETHING NEEDS TO BE DONE TO FIX THIS PROBLEM BEFORE IT BECOMES FATAL. *TR

NHTSA ODI #10460093

66,000 miles · May 11, 2012
Fuel/propulsion System

FUEL PUMP NOISY AND NOT WORKING. CANT BEAR THE NOISE AS ITS TOO LOUD INSIDE AND OUTSIDE. REPLACED FUEL FILTER STILL NOT USE. BROWSED THROUGH INTERNET AND SAW ITS HAPPENING TO ALL 2004 A4 MODELS AND NO RECALLS FROM THE MANUFACTURER AS ITS COMMON IN ALL A4 2004 MODELS. REQUEST TO FILE AN COMPLAINT ON THIS ISSUE AND REQUEST MANUFAC…

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FUEL PUMP NOISY AND NOT WORKING. CANT BEAR THE NOISE AS ITS TOO LOUD INSIDE AND OUTSIDE. REPLACED FUEL FILTER STILL NOT USE. BROWSED THROUGH INTERNET AND SAW ITS HAPPENING TO ALL 2004 A4 MODELS AND NO RECALLS FROM THE MANUFACTURER AS ITS COMMON IN ALL A4 2004 MODELS. REQUEST TO FILE AN COMPLAINT ON THIS ISSUE AND REQUEST MANUFACTURER TO RECALL FUEL PUMP IN ALL A4 2004 MODELS. *TR

NHTSA ODI #10458170

74,000 miles · Apr 18, 2012
Vehicle Speed Control

ON THREE SEPARATE OCCASIONS OVER THE PAST 3 YEARS, WE HAVE LOST CONTROL OF ACCELERATION IN OUR 2004 A4. I HAVE PRESSED MY ACCELERATOR TO PASS ON A HIGHWAY AND THE ACCELERATOR CONTINUES TO GO DOWN INCREASING SPEED OF CAR AGAINST MY WILL....ON FIRST TWO OCCASIONS I WAS ABLE TO PUMP BREAKS AND KICK GAS PEDAL FOR RELEASE (AND ASSUM…

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ON THREE SEPARATE OCCASIONS OVER THE PAST 3 YEARS, WE HAVE LOST CONTROL OF ACCELERATION IN OUR 2004 A4. I HAVE PRESSED MY ACCELERATOR TO PASS ON A HIGHWAY AND THE ACCELERATOR CONTINUES TO GO DOWN INCREASING SPEED OF CAR AGAINST MY WILL....ON FIRST TWO OCCASIONS I WAS ABLE TO PUMP BREAKS AND KICK GAS PEDAL FOR RELEASE (AND ASSUMED IT WAS A MAT ISSUE, HOWEVER I STARTED TO QUESTION THAT ISSUE ON THE SECOND OCCASION AFTER INSPECTION OF MY MAT AND I ALSO FELT LIKE THE PEDAL PRESSED AWAY FROM MY FOOT ALL ITS OWN, LIKE ON CRUISE CONTROL EVEN THOUGHT MY CC WAS NOT ON)....HOWEVER TONIGHT MY HUSBAND WAS DRIVING AND THE SAME THING HAPPENED ACCELERATING FROM A RED LIGHT, SINCE I HAD EXPERIENCE WITH THIS PROBLEM I KNEW TO FLIP IT INTO NEUTRAL...HOWEVER ENGINE CONTINUED TO REV AT HIGH RPMS ONCE WE GOT TO THE SIDE OF THE ROAD, TURNED CAR OFF AND ON...STILL REV'D UP. FINALLY ON THE SECOND TIME TURNING CAR OFF AND ON AGAIN WE PROCEEDED HOME AND CAR DROVE FINE. THIS IS THE CAR I DRIVE MY CHILDREN IN AND I HAVE COME ACROSS MANY SIMILAR INCIDENCE ONLINE WHICH IS HOW I FOUND THIS SITE...I WANT TO GET RID OF CAR BUT HAVE RESERVATIONS ABOUT SELLING IT TO SOMEONE ELSE. ALL INCIDENCES ONLINE THAT I COME ACROSS AUDI DEALERSHIPS DOES NOTHING, I PLAN TO TAKE MY CAR IN TOMORROW AS I NOW KNOW FOR SURE IT IS NOT A MAT ISSUE. DID WE NOT JUST DEAL WITH THIS SAME ISSUE WITH TOYOTA. *JS

NHTSA ODI #10455603

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.