Gasoline Fuel System Related Problems of the 2004 Audi A6

Table 1 shows three common gasoline fuel system related problems of the 2004 Audi A6. The number one most common problem is related to the fuel pump (two problems). The second most common problem is related to the tank assembly (two problems).

Table 1. Gasoline Fuel System related problems of Audi A6

Problem Category Number of Problems
Fuel Pump problems
2
Tank Assembly problems
2
Tank Mounting problems
1

Recently reported Gasoline Fuel System problems of the 2004 Audi A6

The Fuel Pump problem

2004 Audi A6 sedan, 3. 0 engine developed a sudden loss of power just before vehicle stalled while driving on highway at 65 mph. Vehicle was towed to repair shop where it was determined that the fuel pump had failed.   Read details...

The Tank Assembly problem

Significant gas leak caused by broken gas "in tank sending units" housing and seal. Gas will leak and fill the inside of the car with fums as well as under the car. Replacement required buying a revised design sending units that include all three sending units.   Read details...

The Tank Mounting problem

The contact owns a 2004 Audi A6. The contact stated that when refueling the vehicle over the three quarter capacity level, a substantial amount of fuel would leak underneath the vehicle near the exhaust pipe.   Read details...


Gasoline Fuel System related problems in other Audi A6 model year vehicles:



Safety Ratings of A6 Cars
Fuel Economy of A6 Vehicles
A6 Service Bulletins
A6 Safety Recalls
A6 Defect Investigations