High Idle above 3k - Error Code 51

[dlfred]

Originally Posted by cre

Don't know which part of "you cannot set the timing if you have ANY codes present" I was unclear on but you cannot set the timing if you have ANY codes present. So, if you had codes present you didn't actually set the timing... more likely put it off by 40 degrees.

You where crystal clear. When I did the HG, I did not have any codes, that is the last time I set the timing. The code did not appear until the throttle plate adjustment screw backed out and raised the idle.

Originally Posted by cre

The TPS is a wear component. If it's not reading within the range specified in the TSRM then you need to ... (care to guess what I'm about to say?) ... replace it.

The readings are in the range but just very low on the range.


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