Well no CEL but there is 2 pending code on my code reader.
P0507 - Idle Air Control - Idle Speed Too High (that match the idle going up to 2k than jump down at 1k)
P1126 - Oxygen Sensing Adaptation Area 1 (Cylinders 4 - 6) - Rich Threshold
What could cause that with all other symptoms?
Later
wawa
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