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Need all your input on my idle dilemma (long) 200 1990

uid 15692's pic
posted by  Caliwagon on  Mon May 5 17:11 CST 2003
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last visit: Mon Aug 24 10:12 CST 2009
[RELATED]

Sirmebes, I've got the exact same problem in my car, so I totally understand how frustrating it can be!!!!!

I have a K-jet, and like you, my rough idle only occurs when warm. I too have blasted the IAC with carb cleaner.

This morning I sprayed out the throttle body with cleaner, and I the process I discovered 3 cracks in my vacuum hoses!!! I had enough slack in the hoses so that I could cut off the bad sections and still reach fine. I thought my problem would be solved, but now it's worse!

I think the vacuum leaks were making my idle a little bit higher, which prevented the car from stalling. Now it stalls when it used to just stumble. I think it may be the IAC, but I not ready to shell out $100 for a new one from IDP.

New development: when I turn the AC on, the car idles perfectly. No stalls, no stumbles. Sirmebes, see if yours works OK when the AC is on.






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