2004 Honda Pilot Q&A
2004 Honda Pilot Question: check engine light is on
Are you certain you are seeing the "check engine" light? An illuminated light indicates at least stored codes, if not active concerns resulting in setting a code. How are you checking the codes - what diagnostic tool is being used, etc? - DaveJHM
On some models a faulty Idle Air Control (IAC) valve can cause an engine surge at idle and set a Check Engine Light (MIL). Replacing the faulty IAC valve will commonly correct this problem.
The exhaust gas recirculation valve (EGR valve) can fail, resulting in the illumination of...
Just got it repaired and the check engine light comes on - can't figure out the problem