4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

weird idle/rpm's

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Old 09-08-2006, 08:52 PM
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jdazzle14
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Default weird idle/rpm's

when i get hot my throttle seems to stick. i'll push in the clutch and the rpm's wont change. seems to go away temporarily if i hit 4-5 grand but then comes right back. tps and iac are all new. tried seafoom. all this seems to be a temp fix but this problem keeps reoccurring. any help would be awesome. thanks
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Old 09-08-2006, 09:03 PM
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Derf00
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Default RE: weird idle/rpm's

Have you checked the throttle body for either a binding butterfly flap or binding throttle cable? Does it stick when you pop the hood and hand rev it?

What happens in some cars is that the butterfly in the TB gets a ridge of crap that can keep the butterfly from closing all the way
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