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-   -   91 wrangler high engine idle (http://www.wranglerforum.com/f218/91-wrangler-high-engine-idle-44170.html)

cawoodpro 02-08-2010 08:52 PM

91 wrangler high engine idle
 
I have a 91 wrangler 4 cyl w/ MPI as the engine gets warmer the RPM's get higher. It will routinely idle at 2200-2300 at an intersection. I changed the throttle position sensor- no help.:confused:

jpdocdave 02-08-2010 09:41 PM

welcome to the forum, sounds like a vacuum leak possibly, you also have an idle air control motor on the other side of the tps that can stick and cause a hi idle.


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