P1551, and P1514
Just finished replacing the head gaskets, several codes came up at first, but after a few short drives, these two keep coming back.
When I first crank it up, the rpm's fluctuate between about 700 to almost stalling and finally settle at about 400 rpms. IAC valve? This motor should idle at about 650, correct? |
The 1514 is a Neutral drive gear fault, the 1551 is you IAC.
I would suggest you check the plug connection to your idle control, lean the t/body and the idle control and see if it settles down. The 1514, I have never seen come on before and don't see how it would effect your engines idle. |
I am having this code as well and same symptoms, how did you fix it?
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