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2006 Audi A4

Owner reports · Recalls · Investigations

More warning signs than most A4 years

Owner complaints for the 2006 Audi A4 are substantially higher than the model-year median of 76.5.

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When problems were reported

Mileage at the reported incident

194 reports with mileage · 101 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.

  • Exterior Lighting. Review the 159 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Air Bags. Review the 73 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 21 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 reports4 fire reports5 injury reports

Fuel System, Gasoline complaints

5 reports
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90,438 miles · Jun 2, 2014
EngineFuel System, Gasoline

TOOK THE AUDI A4 QUATTRO TO THE AUDI CONNECTION OF CINCINNATI DEALERSHIP FOR A CHECK ENGINE LIGHT (CEL) ON P CODES P2293 & P0089 WHICH INDICATES A POSSIBLE CAM FOLLOWER, CAM SHAFT, AND/OR HIGH PRESSURE FUEL PUMP (HPFP) ISSUES BACK ON THURSDAY MORNING APRIL 10TH, 2014. LATER, I SPOKE WITH LEE AT THE SERVICE DESK WHO STATED THAT T…

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TOOK THE AUDI A4 QUATTRO TO THE AUDI CONNECTION OF CINCINNATI DEALERSHIP FOR A CHECK ENGINE LIGHT (CEL) ON P CODES P2293 & P0089 WHICH INDICATES A POSSIBLE CAM FOLLOWER, CAM SHAFT, AND/OR HIGH PRESSURE FUEL PUMP (HPFP) ISSUES BACK ON THURSDAY MORNING APRIL 10TH, 2014. LATER, I SPOKE WITH LEE AT THE SERVICE DESK WHO STATED THAT THE CAM SHAFT WAS WORN AND WOULD BE A COVERED ITEM ON THIS INTERNAL AUDI CAMPAIGN; HOWEVER, HE WOULD NOT BE ABLE TO GET TO IT UNTIL THE NEXT BUSINESS DAY SINCE IT WOULD TAKE A FULL DAY TO REPAIR PUSHING IT INTO FRIDAY.I RECEIVED A CALL FRIDAY APRIL 11TH AT APPROXIMATELY 11:30 A.M. AND IT WAS LEE STATING THAT THE CAM SHAFT WOULD NOT BE REPLACED DUE TO AN OIL PRESSURE ISSUE THAT DAMAGED BOTH CAM SHAFTS AND ENGINE. HE LATER STATED THAT THE ENGINE WOULD HAVE TO BE REPLACED THAT COULD COST UPWARDS OF $8,000.00. I LATER SUSPECTED OIL SLUDGE ISSUES THAT WERE ALSO ON A RECALL. YES, THE AUDI CONNECTION DID LATER RELENT, AFTER STATING EARLIER THAT THEY WOULD NOT PERFORM THE WORK, OFFERING TO PERFORM THE REPAIRS AT A LATER TIMELINE; A TIMELINE THAT I COULD NOT AFFORD TO BE WITHOUT A VEHICLE AND PAYING ON A RENTAL. THIS PARTICULAR VEHICLE; AUDI A4 T2.0 QUATTRO 2006 YEAR, MAKE, AND MODEL HAS A HISTORY OF OIL SLUDGE ISSUES AND AUDIUSA HAS HAD CLASS ACTION LAWSUITS ON SUCH EVENTS- ALL ANYONE HAS TO DO IS TO DO THEIR RESEARCH AND LOCATE ISSUES CONCERNING THE VERY ISSUES I TOO HAVE EXPERIENCED. BELOW IS ONE SIMILAR TO MINE... "A SETTLEMENT NOTICE FOR THE VW AND AUDI OIL SLUDGE CLASS ACTION LAWSUIT WILL BE MAILED AND PUBLISHED IN USA TODAY ON OR BEFORE DECEMBER 29, 2010. THE FINAL APPROVAL HEARING IS SCHEDULED FOR MARCH 11, 2011." *TR

NHTSA ODI #10595445

50,000 miles · Feb 24, 2011
Engine And Engine CoolingFuel System, Gasoline

THE VEHICLE SUDDENLY AND UNEXPECTEDLY LOSES POWER WHILE MERGING ONTO THE INTERSTATE. POWER LOSS GENERALLY LASTS FOR APPROXIMATELY ONE MINUTE. POWER LOSS IS CONTINUALLY EXPERIENCED WHILE ATTEMPTING PASS OTHER VEHICLES. ON OCCASIONS, THE VEHICLE GOES INTO LIMP-MODE, MAKING IT DIFFICULT TO MAINTAIN HIGHWAY SPEED.

NHTSA ODI #10385230

71,000 miles · Jul 15, 2010
Engine And Engine CoolingFuel System, Gasoline

I HAVE HAD A CONTINUING PROBLEMS WITH MY 2006 AUDI A4 QUATTRO 2.0 WITH ACCELERATION WHILE PULLING OUT UNTO A HIGHWAY. THE VEHICLE BOGS DOWN IN FRONT OF TRAFFIC ONCOMING TRAFFIC. MY PRIVATE MECHANIC PROVIDED ME A BULLETIN ON THE PROBLEM. THE AUDI DEALER HAS FAILED TO ACKNOWLEDGE A TECHNICAL SERVICE BULLETIN REGARDING ABNORMAL …

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I HAVE HAD A CONTINUING PROBLEMS WITH MY 2006 AUDI A4 QUATTRO 2.0 WITH ACCELERATION WHILE PULLING OUT UNTO A HIGHWAY. THE VEHICLE BOGS DOWN IN FRONT OF TRAFFIC ONCOMING TRAFFIC. MY PRIVATE MECHANIC PROVIDED ME A BULLETIN ON THE PROBLEM. THE AUDI DEALER HAS FAILED TO ACKNOWLEDGE A TECHNICAL SERVICE BULLETIN REGARDING ABNORMAL CAMSHAFT WEAR AND FAILURE WITH THE STANDARD STOCK FACTORY INSTALLED PUMPS WHICH ARE FROM A DESIGN FLAW. THE COMPANY HAS REFUSED TO TAKE CORRECTIVE ACTION. THE NHTSA HAS THREE ITEMS#10024427, 10030593 AND 10025965 REGARDING ISSUES WITH THE FUEL SYSTEM. IN CHECKING ONLINE WITH A GOOGLE SEARCH, IT APPEARS MANY 2004-06 AUDI'S HAVE THE SAME ISSUE WHICH CREATE A DANGER TO THE DRIVING PUBLIC. THE TSB IS NOT MAKING AUDI LOOK INTO THE PROBLEM AND I FEEL MANY CONSUMERS ARE PLANNING TO MAKE REPAIRS FOR AUDI'S DESIGN FLAW INCLUDING THEIR COVER-UP OF THE DESIGN FLAW. IT IS CRITICAL THAT THIS ISSUE BE INVESTIGATED BEFORE SOMEONE IS SERIOUSLY INJURED. THE CONSUMER STATED THE CHECK ENGINE LIGHT HAS BEEN ON FOR THE MAJORITY OF THE TIME HE HAS OWNED THE VEHICLE DUE TO PROBLEMS WITH THE FUEL SYSTEM AND OR THE IGNITION COILS. NUMEROUS TIMES, THE VEHICLE HAS FAILED TO ACCELERATE PROPERLY. THE VEHICLE WAS TAKEN TO THE DEALER AND UPON INSPECTION THE TECHNICIAN NOTED AN OIL PRESSURE ISSUE INVOLVING THE CYLINDER HEAD, BEARINGS AND SHORT BLOCK. THE CONSUMER BELIEVED THE ADDITIONAL PROBLEMS WERE DUE TO A DEFECTIVE CAMSHAFT. UPDATED IVOQ 08/19/10*JB UPDATED IVOQ 10/18/10*JB *TR THE CONSUMERS MECHANIC NOTICED METAL SHAVINGS IN THE OIL WHEN PERFORMING AN OIL CHANGE. THE CHECK ENGINE LIGHT PERIODICALLY FLASHED AND THE ENGINE DID NOT RUN SMOOTHLY. UPDATED IVOQ 01/12/11. *JB THE CONSUMER ALSO STATED THERE WERE PROBLEMS WHEN ACCELERATING FROM A STOP WHICH MAY CAUSE AN ACCIDENT. UPDATED IVOQ 02/09/11 UPDATED 05/25/11

NHTSA ODI #10343478

84,098 miles · Apr 19, 2010
Engine And Engine CoolingFuel System, GasolineFire

CAR DID NOT SHOW ANY SIGNS PRIOR TO CHECK ENGINE LIGHT COMING ON. WITHIN SEVERAL MINUTES OF CHECK IN LIGHT APPEARING THE CAR BEGIN DRIVING ROUGH AND SMOKE POURED FROM UNDER THE HOOD. MY HUSBAND QUICKLY CUT THE WIRES OF THE COIL PACK FROM THE HOUSING TO PREVENT THE FIRE FROM SPREADING, AS I GRABBED THE FIRE EXTINGUISHER. *TR

NHTSA ODI #10326534

16,000 miles · Jun 25, 2007
Fuel System, Gasoline

TL*THE CONTACT OWNS A 2006 AUDI A4. WHILE DRIVING 55 MPH, THE CONTACT DROVE OVER A PIECE OF WOOD THAT PUNCTURED HIS PLASTIC GAS TANK. THE MECHANIC STATED THAT THE GAS TANK NEEDED REPLACING. THE POWERTRAIN WAS UNKNOWN. THE CURRENT AND FAILURE MILEAGES WERE 16,000.

NHTSA ODI #10194129

Official recalls

3

18V427000 · Air Bags:frontal:passenger Side:inflator Module

Jun 22, 2018

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2005-2008 Audi A4 Sedan, A4 Avant, S4 Avant and S4 Sedan, 2007-2008 RS4 Sedan, 2004 RS4 Cabriolet, 2007-2009 A4 Cabriolet and S4 Cabriolet, 2005-2011 A6 Sedan, 2006-2011 A6 Avant, and 2007-2011 S6 Sedan vehicles. These vehicles are equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules used as original equipment or replacement equipment. In the event of a crash necessitating deployment of the passenger frontal air bag, these inflators may explode due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.

Consequence & remedy

Consequence: An inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.

Remedy: Audi has notified owners, and dealers will replace the passenger frontal air bag with an alternate remedy part, free of charge. The recall began June 29, 2018. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 69R7. Note: This recall supersedes recalls 16V382, 17V032 and 18V004 and includes vehicles that may have had their air bag previously replaced under one of those campaigns.

17V032000 · Air Bags:frontal:passenger Side:inflator Module

Jan 11, 2017

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2009 Audi A4 Cabriolet, S4 Cabriolet, A6 Avant, A6 Sedan and S6 Sedan vehicles originally sold, or ever registered, in Arizona, Arkansas, Delaware, the 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." Additionally, unless included in "Zone B" above, Volkswagen is recalling certain 2005-2008 Audi A4 Avant, A4 Sedan, A6 Sedan, S4 Avant and S4 Sedan vehicles, 2007-2008 A4 Cabriolet, RS4 Sedan, S4 Cabriolet and S6 Sedan vehicles, and 2006-2008 A6 Avant and 2008 RS4 Cabriolet vehicles originally sold, or ever 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 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. The recall began March 30, 2018. Owners may contact Audi customer service at 1-800-253-2834. Note: This recall has been superseded by recall number 18V427.

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.

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

0

No exact-year investigations in this snapshot.