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Ideling hi

(1990 Chevrolet S10)
in Charlestown, IN on January 21, 2011
run hi idele for like 15 minets than idels down trys to stall back to hi idel agane 2.5 efi 88 s-10 with throtal body .
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Popular Answer
on January 21, 2011
Sounds like you may have a vacuum leak, that can cause a very high idle on this engine and also cause a dying problem. I would check the IAC counts, if they are near zero, then you have a vacuum leak, look at the Throttle Body Base gasket, they are a common failure.
on January 21, 2011
thanks for the info thanks agine .bestbuy.
on February 05, 2011
they, some of the mechanics, the master say it's a vaccuum leak at the trottle body base. I would chechk around the throttle body for a leak.
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