Dec 21, 2018 · Here are the most common A4 P0456 fixes: Gas cap replacement. EVAP line replacement. Replace charcoal canister. Purge solenoid. Of all the items listed above, it would be wise to start with the gas cap and work your way to the fuel tank since the gas cap is far and away the easiest and least expensive item to replace.
Apr 4, 2016 · Noise in the 2.7L Turbo Engine. Noise in the front of the engine could be the result of a belt tensioner bearing or belt issue. A stuck fan clutch or faulty alternator could also be the culprit. The issue will most likely not be related to your wheels or transmission, if the noise is present while your car is parked. Check the water pump as well.
Feb 17, 2008 · A4 (B5 Platform) Discussion - 1999 Audi A4 1.8 Transmission Problems??? - My wife's 1999 Audi A4 was working fine the last time she drove it. She went to go to work the next morning and the car would not move. It starts fine, runs great, new battery, and recently inspected at dealership. The car goes through the gears
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audi a4 b5 common problems