2003 Audi A4 Cabriolet "control head unit instructions 2004" Questions

...control, it's likely that the rubber O-rings inside the vacuum solenoids in the EATC unit are leaking. Usually you'll get cold air only out the defrost vents or floor with this problem. If you are ...

...head unit. can someone walk me through this, or save me from my misery and tell me I am SOL and need to take this back in? You would have to take the rear trim quarter panel off to get at it . If you ...

control circuit. As a result, any of the following DTCs may be stored: P0200, P0201, P0202, P0203, P0204, P0300, P0301, P0302, P0303, or P0304 Recommendation/Instructions: If the SI diagnosis does not

head intake port. This causes an imbalance between the reduced air filter airflow sensed by the Mass AirFlow (MAF) sensor versus the actual air/fuel ratio versus the engine rpm versus the oxygen level

...control head out. If you are just trying to pull the switch off, then leave the cables attached and you can pull the switch out from the back side of the heater control head. I hope this helps, and ...