2004 Audi A4 problems
Owners have filed 225 complaints about the 2004 Audi A4 with NHTSA. Fuel system, gasoline accounts for 21.3% of them — the clear leader, ahead of air bags at 11.6%.
Complaints225
Crashes10
Fires6
Injuries7
Deaths0
What owners report breaking
Fuel system, gasoline 21.3% · 48
Air bags 11.6% · 26
Engine and engine cooling 9.3% · 21
Visibility 7.6% · 17
Vehicle speed control 7.1% · 16
Tires 7.1% · 16
Electrical system 6.7% · 15
Exterior lighting 6.2% · 14
Severity
Of those complaints, 10 describe a crash, 6 describe a fire and 7 report an injury.
Reading the numbers
Across the 15 model years of the Audi A4 in this data, 2004 sits 8th by complaint volume. 2006 draws the most.
Filings have fallen off, 7 in the last three years against 13 in the three before. That is normal as a generation leaves the road.
The median odometer reading at the time of complaint was 59,120 miles.
In owners' own words
The contact owns a 2004 Audi A4 cabriolet. While driving approximately 50 mph, the vehicle hesitated and then shut off. The vehicle was restarted and taken to the dealer, who stated that the fuel pump needed to be replaced. The current mileage is 29,200 and failure mileage was 28,000. Updated 03-04-08 *bf the vehicle hesitated at various speeds. After a while, it would just shut down. Updated Fuel system, gasoline · reported at 29,000 miles
My Audi A4 avant with the 3.0 Engine experienced a sudden fuel pump failure while in traffic. The event was not preceded with any change in performance as described in nhtsa investigation # pe08027. The pump failure event was similar to that described in the recall of the 2003 A4 vehicle. The fuel pump was changed at the dealership with no mention of fuel filter or other components having failed. Fuel system, gasoline · reported at 76,000 miles
Had one previous incident where the car stalled. It seemed this was cured by replacing the fuel filter. Six months later, the car died while being driven on the road. Engine stalled and would not restart. Car had to be towed to dealership. Dealership replaced fuel pump assembly. My car is a 2004 Audi A4 3.0 Quattro. The defect appears to be similar to the 2003 Audi A4 recall. Fuel system, gasoline · reported at 43,570 miles
Verbatim from NHTSA filings. Complaints are unverified owner reports.
Safety recalls
Checking NHTSA for open recalls…