My '98 a4 Quattro 30v 2.8 CEL code PO118 is on. Car runs fine...but sometimes is reluctant to start after shutting it off with engine warm. I assume that's because the ECU thinks engine is cold and richens the startup mixture (flooding the engine)? To start it, I hold the accelerator to the floor.
Anyway, where is the temp sensor located?
Any tricks to replacing it?

http://www.audiworld.com/tech/eng54.shtml

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1999 A4 2.8 Quattro Avant

SpeedTuning chip, painted lowers, black e-codes, 4300K, 20% tint, and face lift fogs.



My Audi's got enough balls for the both of us.

THANKS!