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  #1  
Old January 7th, 2003, 19:43
frsno jeeper frsno jeeper is offline
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high idle problem

SOMETIMES,when i startthe beast ,it will high idle to ~2000 rpms and will stay there untill i A turn it off and wait about 10 seconds and restart it,then its normal idle) B(put it in gear)

and if that was not enough.....when i get it to idle fine sometimes whil driving the idle will go up all by itself! In gear its ! 1200 rpms;which isnt too bad,but i figure if i fix the high idle at start up i might fix the high idle while driving problem at the same time.


ive replaced the tps with a napa unit and i adjusted it per my F.S.M



89 auto 4.0 non H.O.


anyone have any suggestions?
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  #2  
Old January 8th, 2003, 13:19
SeanP SeanP is offline
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You would have better luck with this on the OEM Tech board
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Old January 8th, 2003, 14:43
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Kernel Kernel is offline
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mine did the same thing. I tore my throttle body off and cleaned it. replaced the TPS from the stealership. Haven't had a problem and that was 4-5yrs ago. '87 with over 230k on it. poor girl needs some TLC.
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Old January 9th, 2003, 10:50
frsno jeeper frsno jeeper is offline
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where is this oem forum?
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  #5  
Old January 9th, 2003, 11:03
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CRASH CRASH is offline
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There is more to than the local forum:

OEM: http://www.naxja.org/bbs/oem.cgi

Modified Tech: http://www.naxja.org/bbs/tech.cgi?

Non-tech: http://www.naxja.org/bbs/nt.cgi

CRASH
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  #6  
Old January 9th, 2003, 23:54
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disconnect the battery, pull the plug apart from the firewall and clean it, put back together with dielectric silicone grease
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  #7  
Old January 12th, 2003, 12:33
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high idle

I had the same prob.. changed everything... finally found I had a small crack
in the exhaust manifold by the sensor. changed the manifold fixed the prob.
hope it helps.
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