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Old 10-02-2003, 06:03 PM
jeffharley jeffharley is offline
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Re: Re: Re: '89 Jimmy IDLE PROBLEMS

Quote:
Originally Posted by bassman1
Of course that is the last resort I want to do........i just started it and the idle shot sky high.........i disconnected the battery for a few minutes and it brought it down when i tried it again....this tells me it is still something electrical or computer problem.........any more ideas?
The reason the idol shoots up so high is because of a vacuum leak and the computer sends more fuel to compensate for the improper mixture.There are several jurnals under the carb that control the air/idol mixture.This is where the gasket dissintegrates.and hense the vacuum leak.Its really not a hard job to get the carb off I didn't want to do this either but after going crazy for about 2 weeks I finally bit the bullet and did it .Can't tell ya how glad I was I did.~Jeff~
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