Question about 1998 Audi A4

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1998 Audi A4 1.8 - Engine is idling badly and stalls when warm.

It is also difficult to start. I have found a sensor at the back of the head with no wires running to it. Could this be the problem or is this sensor not needed on some models?

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Is this sensor at the back of the bulk head under the inlet trucking. Are there two of them next to each other that look the same. If so that could be engine/coolant temperture sensor which would cause all sorts of engine running problems If not pluged into the wiring loom. Need more info for a better diagnoses.

Posted on Dec 27, 2008

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