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Thread: Throttle problem?

  1. #1
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    Throttle problem?

    When I start my jeep the needle bounces between 1000 & 2000 RPM's . She fluctuates like that for about a minute or two and sometimes goes so low she almost stalls. I cleaned the throttle but she is still acting weird like that. Any suggestions? Anyone else have this problem? Thanks in advance!


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    did you try cleaning the idle air control valve on the side of the throttle body they can be quite bad for being coked up with carbon mine would bog down coming to a stop and almost stall found huge amount of carbon in the IAC can be cleared out with carb spray and tooth brush ... just dont use the wifes toothbrush might not appreciate it

  3. #3
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    Thanks for the tip! I will try that as soon as it stops raining over here. Too bad I didn't know this while I had the throttle out a few days ago! lol,

    thanks man!

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    The IDC is utterly impossible to get at unless you know your way around on an electric throttle. I removed the throttle housing and then I opened the compartment that leads to the IDC but there were a bunch of gear like wheels and a electronic board in there. i was to afraid to mess things up. But, I did however notice that the gasket on the throttle was worn! almost useless! so I used some gasket silicon and the engine holds steady at 1000 rpm with no fluctuating at all!!!

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    Well its still acting up. Anyone have any ideas?

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    edit: nevermind....my IAC tips were for 4.0l
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    Retread #19

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    vacuum leak somewhere check your vac lines and exhaust

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