2002 3.7 liberty sport idles rough sometime - JeepForum.com
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post #1 of 2 Old 03-10-2018, 09:51 PM Thread Starter
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2002 KJ Liberty 
Join Date: Mar 2018
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2002 3.7 liberty sport idles rough sometime

Hey Ive got a 2002 3.7 liberty sport that idles rough sometimes and gets aweful fuel mileage. I meant to mention it threw a code for fuel vacuum diaghram ? Ill have to go look at it again. Its a device mounted at the radiator next to the battery with a vacuum line going in from the manifold then back to the fuel tank and it vibrates.

Last edited by usinmyhands; 03-10-2018 at 10:08 PM. Reason: forgot some info.
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post #2 of 2 Old 03-11-2018, 08:02 AM
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2014 JK Wrangler 
Join Date: Oct 2017
Posts: 8,464
post ALL codes someone will advise.

Do you have a scanner ?

When I see the price of OEM I think aftermarket.
When I see the quality of aftermarket I think OEM.
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