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98 caravan idles at 4500 rpm?
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jgarcia
New User
Dec 15, 2011, 12:41 PM
Post #1 of 6
(1436 views)
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98 caravan idles at 4500 rpm?
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I recently changed the head gasket and put everything back on and upon starting the engine it started right up but is now idling at 4500 rpm. Im not sure what to check or where to start now. Any reply would be helpful. It has the 3.3L and 250000 miles on it.
(This post was edited by jgarcia on Dec 15, 2011, 12:43 PM)
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Mr.scotty
Enthusiast
Dec 15, 2011, 1:25 PM
Post #2 of 6
(1413 views)
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Re: 98 caravan idles at 4500 rpm?
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Is the throttle plate closing all the way?
Is the throttle body clean?
The IAC valve might be stuck open or pening for some reason.
Just go over everything and double check your work.
Good luck and keep us posted.
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Your only as good as your tools!
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Hammer Time
Ultimate Carjunky
/ Moderator
Dec 15, 2011, 5:00 PM
Post #3 of 6
(1402 views)
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Re: 98 caravan idles at 4500 rpm?
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Look for a major vacuum leak.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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jgarcia
New User
Dec 22, 2011, 5:15 PM
Post #4 of 6
(1359 views)
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Re: 98 caravan idles at 4500 rpm?
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I did find a slow leak in the "egr" tube coming off the intake manifold, fixed that and now is working. Thank you all who replied.
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Hammer Time
Ultimate Carjunky
/ Moderator
Dec 22, 2011, 6:20 PM
Post #5 of 6
(1355 views)
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Re: 98 caravan idles at 4500 rpm?
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It couldn't have been too slow if it did all that............
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Mr.scotty
Enthusiast
Dec 22, 2011, 10:31 PM
Post #6 of 6
(1350 views)
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Re: 98 caravan idles at 4500 rpm?
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Yeah I hear that..
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Your only as good as your tools!
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