2004 Audi A6 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2004 Audi A6
Verified by mechanics, reported by drivers like you
2004 Audi A6 ProblemsFlasher Relay Failure Can Cause Erratic Turn Signal Operation
Erratic turn signal operation can be a result of a failing turn signal flasher relay which will require replacement.
Fuel quality must be maintained to avoid engine misfire problems; the misfires may cause the Check Engine Light to illuminate.
2004 Audi A6 Questionswhen I turn my car on why will the radio not get any power (1 answer)
How much will it cost to replace my alternator, parts and service
I need to know if there is another way to change the fuel pump with out dropping the tank. It seems like alot of work just to drop the tank. Im hoping someone has figured out an easier way than having to take the car completely apart just to drop the tank.
2004 Audi A6 RecallsPotential Fuel Leak From Crack at Rollover Valve
The aging of the plastic material in the fuel tank rollover valve, combined with stress from the aluminum ventilation line attached to it, may lead to cracking of the connection nipple. The cracked nipple could leak fuel, increasing the risk of a fire. Dealers will reinforce the nipple on the rollover valve or repair the cracking as necessary. This recall is expected to begin during June 2011. The Audi recall number is 20L8/JY.