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Re: What was once bad is now much much worse 200 1983

posted by  someone claiming to be Isaac Babcock on  Sun Sep 2 04:23 CST 2001 [RELATED]

Duane, thanks a lot for the extremely detailed post. I checked the coolant temp sensor this morning. It reads fine resistance at cold and hot temps. I've done the vacuum leak and air control valve tests too. They're fine. Just to be certain how it felt, I once again unplugged the AMM today to see how it idled compared to having it plugged in. It runs immesurably better. The car doesn't shake at all, and the idle is stable and smooth. When it's plugged in, the car trembles intolerably, and the idle fluctuates slightly.

I checked the AMM again today. The book says the heated wire resistance should be 3.5-4.0 ohms. Mine read 4.2 today. The idle potentiometer resistance should be between 0-1,000 ohms, and should vary accordingly when you adjust the screw next to it. This checked out fine. Would you happen to know the correct idle mixture number? I think its like 700 ohms but am not sure.

Any other ideas? Thanks a lot for your help.





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