what sensor? what code?

Answered by merlin2021 (expert)
18,145 answers provided

Replaced IAC valve (AC147) with new one. It made a difference for a few days and then the situation returned. Also had the dealership check and do the latest program but didn't find anything. Code 10653. It is quite strange. I had the throw bearing replaced a few months ago and the RPM situation went away but returned. Cheers, Craig

Response from mvsophia
1 question asked

I don't have a listing for that code? Codes come in several varieties "P" "B", "U" and "C" followed by four numbers like P0653 but it's not found, A vacuum leak or improper adjustment on the cam sensor are the two likley to upset your idle speed. By using a can of spray throttle body cleaner and spraying the vacuum lines and around the manifold seams, if the idle speed changes you found a leak, also check your EGR to make sure it's not sticking partially open. Check Brake booster hose and check valve.

Answered by merlin2021 (expert)
18,145 answers provided