FAULTY IGNITION COILS CAUSED VEHICLE TO SHUT DOWN/STALL. *AK *JB
2002 Audi A4
Owner reports · Recalls · Investigations
More warning signs than most A4 years
Owner complaints for the 2002 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
114 reports with mileage · 67 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.
- Electrical System. Review the 76 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine And Engine Cooling. Review the 28 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Exterior Lighting. Review the 17 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
181 reportsTHE IGNITION COIL WENT BAD ON THE VEHICLE. *JB
THE IGNITION COIL FAILED ON THE VEHICLE. *JB
IGNITION COIL FAILURE ON MY 2002 AUDI A4 (21K MILES). PER MY DEALER SERVICE ADVISOR, CAR MUST BE TOWED TO A DEALER. LOST SEVERAL HOURS AT WORK AND WAS GIVEN SUBSTANDARD RENTAL CAR, REPAIR WAS NOT COMPLETED ON THE DAY ESTIMATED. PER AUDI OF AMERICA POLICY, ONLY ONE COIL IS REPLACED, WE WILL WAIT FOR ANOTHER COIL TO PROVE FAULTY (…
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IGNITION COIL FAILURE ON MY 2002 AUDI A4 (21K MILES). PER MY DEALER SERVICE ADVISOR, CAR MUST BE TOWED TO A DEALER. LOST SEVERAL HOURS AT WORK AND WAS GIVEN SUBSTANDARD RENTAL CAR, REPAIR WAS NOT COMPLETED ON THE DAY ESTIMATED. PER AUDI OF AMERICA POLICY, ONLY ONE COIL IS REPLACED, WE WILL WAIT FOR ANOTHER COIL TO PROVE FAULTY (WHICH ALMOST EVERYONE ASSUMES WILL HAPPEN, EVEN DEALER), I WILL HAVE TO WAIT AT ROAD SIDE AGAIN, AT WHICH POINT AUDI WILL REPLACE ALL REMAINING COILS. (HOPEFULLY--AUDI'S WEB SITE ALREADY HAS SAID ALL WOULD BE REPLACED WHEN ONE FAILS, BEGINNING IN MARCH, BUT APPARENTLY THIS IS NOT THE POLICY AT MY DEALER.) THIS HAS BEEN HAPPENING TO THOUSANDS OF AUDI CUSTOMERS. *JB
MULTIPLE CASES OF UNCONTROLLED ACCELERATION IN 2002 AUDI A4. 2 CASES LAST YEAR I HAD TO PUT THE CAR IN NEUTRAL AND TURN OFF THE IGNITION. ALL THE OTHERS HAVE BEEN MOMENTARY LASTING LESS THAN A SECOND. ALL CASES WERE AFTER I ACCELERATED, THE PEDAL WOULD NOT COME BACK. THE CAR HAS BEEN IN NUMEROUS TIMES FOR THIS PROBLEM TO THE DEA…
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MULTIPLE CASES OF UNCONTROLLED ACCELERATION IN 2002 AUDI A4. 2 CASES LAST YEAR I HAD TO PUT THE CAR IN NEUTRAL AND TURN OFF THE IGNITION. ALL THE OTHERS HAVE BEEN MOMENTARY LASTING LESS THAN A SECOND. ALL CASES WERE AFTER I ACCELERATED, THE PEDAL WOULD NOT COME BACK. THE CAR HAS BEEN IN NUMEROUS TIMES FOR THIS PROBLEM TO THE DEALER WHO CAN NEVER FIND ANYTHING WRONG. THEY HAVE DOCUMENTED THE PROBLEM THOUGH. MY LAST TIME IN I DISCUSSED THE POSSIBILITY OF USING THE LEMON LAW. I FINALLY HAD AN ACCIDENT LAST FRIDAY EVENING PULLING OFF FROM A LIGHT WHEN THE PEOPLE IN FRONT OF ME SUDDENLY BRAKED AND MY CAR KEPT GOING. *JB
1/10/2003--TOOK THE CAR IN TO HAVE IT CHECKED BECAUSE OF A ROUGH IDLE AND TROUBLE STARTING. THE DEALER FOUND NO INITIAL PROBLEMS. 2/5/2003--RECEIVED NOTICE IN THE MAIL FROM AUDI CONCERNING THE POSSIBILITY OF BAD COIL PACKS ON 2002 A4'S. 2/7/2003--THE CAR STALLED ON US AT NIGHT, IN THE RAIN, IN THE MIDDLE OF A BUSY INTERSECTIO…
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1/10/2003--TOOK THE CAR IN TO HAVE IT CHECKED BECAUSE OF A ROUGH IDLE AND TROUBLE STARTING. THE DEALER FOUND NO INITIAL PROBLEMS. 2/5/2003--RECEIVED NOTICE IN THE MAIL FROM AUDI CONCERNING THE POSSIBILITY OF BAD COIL PACKS ON 2002 A4'S. 2/7/2003--THE CAR STALLED ON US AT NIGHT, IN THE RAIN, IN THE MIDDLE OF A BUSY INTERSECTION. IT TOOK ME AT LEAST A MINUTE TO GET IT RESTARTED--THAT MAY NOT SOUND LIKE MUCH, BUT YOU SHOULD TRY TURNING OFF YOUR CAR IN THE MIDDLE OF AN INTERSECTION AND WAIT 60 SECONDS BEFORE RESTARTING & TAKING OFF. SEE HOW MAY PEOPLE START HONKING AND/OR ALMOST HIT YOU BEFORE YOU MOVE.... 2/8-2/11/03--THE DEALER CHECKS THE CAR OVER. THEY SAY THE COIL PACKS ARE FINE, BUT THE MASS AIR FLOW SENSOR WAS BAD, SO THEY REPLACED IT. I DON'T BELIEVE THEY HAVE FIXED THE PROBLEM, SINCE THE CAR STILL IDLES ROUGH, AND STILL HAS TROUBLE STARTING. LUCKILY, IT HASN'T DIED ON US AGAIN (YET). *NLM
PASSENGER SIDE REAR SEAT LATCH IS BROKEN. "UNLOCKED" INDICATOR DOES NOT POP UP, AND THE LATCH WILL NOT HOLD THE SEAT BACK TO THE ANCHOR. DEALER REPLACED "COVER" TO FIX THE PROBLEM. *NLM
A/C CONDENSER SPUNG A LEAK AND ALL FREON ESCAPED WHILE MY WIFE WAS DRIVING THE CAR. DEALER REPLACED THE CONDENSER. *NLM
DRIVER'S DOOR TWEETER CUTS OUT. 8/30/02--SPEAKER IS REPLACED. PROBLEM STILL NOT FIXED. 9/20/02--RADIO IS REPLACED. THE PROBLEM STILL EXISTS. I'VE GIVEN UP ON THE ABILITY OF THIS DEALER'S SERVICE DEPARTMENT TO FIX ANYTHING RIGHT THE FIRST TIME.... *NLM
HOMELINK SYSTEM STOPS WORKING. DEALER REPROGRAMS THE SYSTEM (WHICH I HAD ALREADY DONE 5X), AND IT STILL DOESN'T WORK. THE VISOR WITH CONTROL BUTTONS IS ORDERED & REPLACED. THE HOMELINK STARTS WORKING AGAIN. 7/2002--HOMELINK STARTS ACTING UP AGAIN--IT IS WORKING INTERMITTENTLY. 8/2002--HOMELINK TRANSCEIVER IS REPLACED AND IT…
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HOMELINK SYSTEM STOPS WORKING. DEALER REPROGRAMS THE SYSTEM (WHICH I HAD ALREADY DONE 5X), AND IT STILL DOESN'T WORK. THE VISOR WITH CONTROL BUTTONS IS ORDERED & REPLACED. THE HOMELINK STARTS WORKING AGAIN. 7/2002--HOMELINK STARTS ACTING UP AGAIN--IT IS WORKING INTERMITTENTLY. 8/2002--HOMELINK TRANSCEIVER IS REPLACED AND IT STARTS WORKING AGAIN. LATER THAT MONTH, IT BEGINS WORKING INTERMITTENTLY AGAIN. 9/2002--DEALER FINALLY INVESTIGATES FURTHER, AND FINDS CORROSION IN THE WIRING HARNESS/CONNECTORS. THAT SOUNDS VERY STRANGE TO ME. WHAT WAS THE CAR EXPOSED TO DURING PRODUCTION TO CAUSE THAT? WHAT ELSE IS GOING TO FAIL/GIVE US PROBLEMS AS A RESULT? *NLM
Official recalls
121V470000 · Air Bags:frontal:driver Side:inflator Module
Jun 23, 2021
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2000-2001 Audi TT Coupe, TT Roadster, 2000-2002 A4, and S4 vehicles equipped with Non-Azide Driver Air Bag Inflators (NADI) that do not contain phase stabilized ammonium nitrate (PSAN) propellant. Due to a manufacturing issue, the NADI inflators may absorb moisture, possibly causing the air bag to deploy improperly in the event of a crash.
Consequence & remedy
Consequence: In the event of a crash necessitating air bag deployment, the air bag may not properly protect the occupant, increasing the risk of serious injury or death.
Remedy: Dealers will replace the driver frontal airbag inflator with an alternative inflator, free of charge. Owner notification letters were mailed November 2, 2021. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 69CJ.
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
0No exact-year investigations in this snapshot.
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