Originally Posted by
GIRGrant
I fixed this issue last night... if anyone runs into a weird problem with their NGC chrylser commanding max enrichment at idle in OL and CL will not activate THIS IS YOUR PROBLEM; go into your scanner and connect to the vehicle and then read your DTC codes stored... this issue is caused by a PCM code that when stored causes the PCM to go into a limp mode and doing so it will start commanding max enrichment and staying in OL, the code was "Lost communication with PCM" I can't remember the actual diag code.. I will update later with code. Clear this code and your PCM will properly operate again!!! No more 9.5AFR!!