2.5L exhaust manifold - Jeep Wrangler Forum

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Old 06-25-2012, 02:45 PM   #1
andrew127's Avatar
Join Date: Jun 2012
Location: Peterborough ON Canada
Posts: 208
2.5L exhaust manifold

I just replaced the exhaust manifold on my 97 TJ with a 2.5L 4 cyl. Replaced all the gaskets and plugged everything back in, but when I fired it up to check for leaks, it idles at close to 3 grand. Ran it for close to 20 mins and it still wouldn't come back down to normal. Anyone else ever have this issue? And feedback would be great. Thanks
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Old 06-25-2012, 04:16 PM   #2
Dextreme's Avatar
Join Date: Oct 2011
Location: Oregon City, OR
Posts: 5,989
Double check anything you disconnected/moved to get at the manifold and check your throttle cable going to the throttle body....make sure its not being held "open" based on reconnecting something wrong.

'99 Chili Pepper TJ - I4 PowerTech motor
33x12.5 DuraTracs
Zone 4.25"
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Old 06-25-2012, 04:32 PM   #3
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Join Date: Mar 2012
Location: Wahaiwa, HI
Posts: 43
its one of the vac lines i had the same thing happen to me.
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