1989commanche Posted March 13, 2021 Posted March 13, 2021 We just replaced manifold gasket on nephews 2000 2.5 wrangler. Now it has intermittent high idle. If you blip throttle sometimes it snaps back to normal. Sometimes it takes its own sweet time or never returns to normal. We took out and cleaned the IAC valve. It was funky but didn’t change a thing. Don’t know what to try. We didn’t disconnect anything we didn’t Need to. I’m going back home in the morning so would like to solve soon.
Limeyjeeper Posted March 13, 2021 Posted March 13, 2021 Most likely a vacuum leak or intake manifold leak.
1989commanche Posted March 13, 2021 Author Posted March 13, 2021 Looked for vacuum leaks. Didn’t find any. Will check for intake leak.
1989commanche Posted March 13, 2021 Author Posted March 13, 2021 Ok we went out again to check all the manifold bolts. The nephew missed one. It was 1/4” out from the manifold. He tightened it up and all is well in dodge now.
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