[grd1120?]

working on a 2001 4.3l s-10. I can't correct a p0507 high idle. LTFT and STFT are correct. No vac leaks, IAC at 0. Starts out at approx. 700 rpm and slowly climbs to 975-1025 rpm. Will not come down??

 

[sierramike]

Here are a couple of websites with info on this.

http://engine-codes.com/p0507_chevrolet.html

http://www.obd-codes.com/p0507

http://repairpal.com/obd-ii-code-p0507