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Originally Posted by old_master
"If you want im sure there is some way to turn the rpms back down to 500."
Not true. The ECM is programmed to control idle RPM at a certain speed. It will adjust ignition timing and fuel mixture to achieve that speed. If it leans the fuel mixture or retards the ignition timing too far, engine performance will suffer greatly.
The ECM noticed a change and it is trying to compensate for it. That's why it's idling at 600 RPM. The longer the period of time since the ECM was reset, the longer it will take to "learn" the change, give it time. Once the ECM "learns" the change, idle RPM will return to where it was before the modification.
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Ummm...Reprogram the ECM...is one way to adjust RPM.....Didnt I say that there has to be some way to adjust this?...I do think that reprogaming th ECM IS one way....isnt it?
REALY?...Its been about 1 week and its still idleing @ 550-600 rpm.