Hey HotLap...
I am presently having the exact same problem...
Any Help would be greatly appreciated ...
Alan
Originally Posted by HOTLAP
Just wondering... I have an issue with what I think is the ECM not sensing the engine temp properly and that causes high idle on startup even if the engine is already hot. Is the sensor that the OP is refering to what feeds the engine temp to the ECM?
Yes. That is the engine temp sensor to the ECM. Would be my number one suspect.