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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
(1372 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
(1349 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
(1338 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
(1295 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
(1291 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
(1286 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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