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Old 01-14-2008, 01:43 PM
j cAT j cAT is offline
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Re: 95 1/2 ton 4WD, irregular high idle

Quote:
Originally Posted by scot399
My pickup (305ci, tbi) idles high, 1100-1500 rpm, at times. Most often it is ok, and seems ok cold. Changed the idle air control, thought I had it, but the problem came back.
Also inspected for vacuum leaks. Irregular enough that when I have time to work on it, it runs ok. Hard to track down.

replace PCV valve and if the rubber hoses are hard/cracked/collapsing replace all as these hoses get damaged more so than the others. espec. where they connect to intake......
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