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Bad idling 2000 Cherokee

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Old 10-04-2013 | 03:09 PM
  #16  
brendancfarrell's Avatar
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From: Vestal, New York
Year: 1999
Model: Cherokee
Engine: 4.0
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I am now jacking this thread, sorry OP.


Ok, so I'm throwing no codes. Jeep barely starts. If it does, I need to hold throttle for a couple minutes, and if I'm driving, I need to keep throttle up or else it stalls.

I took off the distributor cap. Contacts inside where corroded. I scrapped them clean the best I could. Started the Jeep and I need to hold the throttle down for a minute to have it idle normal on its own.

I then wiped clean the ICS. Started Jeep and it still needed throttle, but for about 45seconds.

Wiped clean both the TPS and IAS. Started the Jeep and it was a very low idle, but built back up without me touching the throttle.

I replaced the plugs last fall with some champions. Wires are stock, as far as I know, distributor starter and all sensors are stock, again as far as I know. I will be ordering a new cap since the points were pretty corroded, but any other ideas?
Old 10-04-2013 | 07:50 PM
  #17  
tjwalker's Avatar
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From: In the middle of Minnesota!
Year: 1999
Model: Cherokee
Engine: 4.0
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Originally Posted by brendancfarrell
I am now jacking this thread, sorry OP
Start a new thread of your own for the most accurate replies for YOU and less confusion for people following this thread......

Last edited by tjwalker; 10-04-2013 at 07:54 PM.
Old 10-04-2013 | 09:04 PM
  #18  
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From: Vestal, New York
Year: 1999
Model: Cherokee
Engine: 4.0
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Originally Posted by tjwalker

Start a new thread of your own for the most accurate replies for YOU and less confusion for people following this thread......
I just figured that since a lot of us had some good thoughts to help him, they might still be subbed to this thread and have an idea for me. No harm meant. Sorry.
Old 10-11-2013 | 11:33 AM
  #19  
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From: Michigan
Year: 2000
Model: Cherokee
Engine: 4.0
Default Bad Idling Cherokee

Well I have some good news and some bad the good news is Jeep is running good now the bad news is I do not know why all all a sudden it is. Jeep has not missed for 5 days now. The only thing I did just before it started running good was plug and unplug computer I had already replaced coil pak, Tps sensor, cleaned Iac sensor , replaced spark plugs, ohm tested fuel injectors, checked fuel pump pressure, cleaned throttle body and that had made no difference. I hope problem does not come back but sure would have liked to found problem not sure how plugging and unplugging computer solved problem. I want to thank you all for your help and comments it was greatly appreciated for sure and I am printing out your answers and comments for future if it comes back or you will see me back to this thread. Thank You Thank You
Old 10-11-2013 | 11:44 AM
  #20  
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From: Vestal, New York
Year: 1999
Model: Cherokee
Engine: 4.0
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Gotta love when it fixes itself....wait, mine never does that! Haha hope it stays fixed man.
Old 10-11-2013 | 01:25 PM
  #21  
Turbo X_J's Avatar
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From: ☼ Blackhole Sun
Year: My Jeep is a GMC
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Originally Posted by Jimbo165
I hope problem does not come back but sure would have liked to found problem not sure how plugging and unplugging computer solved problem.
Is the connector full of corrosion?
If so:
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