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Old 04-16-2018, 01:32 PM   #1
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Location: Ohio
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Vehicle Year: 1989
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Default Funky 2.3 high idle

So buddie of mine has a 1990 2.3 2wd 5 spd. And itll hold 3k on the tach untill u hit the brake pedal then itll come down to like 1k.

Now im thinkin a bad vac leak some where. But idk where to look first. The iac?? Or give it the ole propane test right off??
Just trying to make it man....
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Old 04-16-2018, 06:53 PM   #2
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Vehicle Year: 1992
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When you know, tell me. I’ve replaced the entire MAF unit and the IAC on my ’92 with a 4.0. Damn thing races at 1700 RPMs during idle sometimes. Other times, 1300, 1100, 900, or 800. Seems to be no rhyme or reason to it. Sucks.
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