Modified XJ Cherokee Tech XJ (84-01)
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Starting issue

Old Feb 2, 2013 | 09:04 AM
  #1  
CrawlinPepper's Avatar
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Year: 1999
Model: Cherokee
Engine: 4.0L I6
Default Starting issue

Simple issue, the truck won't idle upon start every once in a while. I start it and it fires then dies. I try starting again, it continues to crank and will not start unless I give it gas. I have to continue to give it enough gas to idle for a few seconds until it will idle by itself, otherwise it will die out if I let off too soon.

Fuel pressure regulator or idle control valve?

(Placed in the modified section because I have a bored TB and spacer, in case it makes any difference)

Read this as well (my battery is getting pretty rough - starts every time but sometimes slowly):
This is the common symptom that your battery is failing. It may have enough power to start the engine, but the low voltage makes the engine computer re-boot and delete the idle settings.
Anyone ever have this issue?

Last edited by CrawlinPepper; Feb 2, 2013 at 10:00 AM.
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Old Feb 2, 2013 | 02:28 PM
  #2  
Power73's Avatar
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From: Michigan
Year: 2000
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im not sure on the problem but you will prolly get more input in the oem section
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Old Feb 2, 2013 | 05:19 PM
  #3  
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Year: 1998
Model: Grand Cherokee
Engine: 4.0
Default

Originally Posted by CrawlinPepper
Simple issue, the truck won't idle upon start every once in a while. I start it and it fires then dies. I try starting again, it continues to crank and will not start unless I give it gas. I have to continue to give it enough gas to idle for a few seconds until it will idle by itself, otherwise it will die out if I let off too soon.

Fuel pressure regulator or idle control valve?

(Placed in the modified section because I have a bored TB and spacer, in case it makes any difference)

Read this as well (my battery is getting pretty rough - starts every time but sometimes slowly):

Anyone ever have this issue?
Ive been having the same issue in my 98 zj. Its strange because it only does it on startup. Id like answers too.
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Old Feb 4, 2013 | 12:07 PM
  #4  
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If a mod could move this it would be greatly appreciated.
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Old Feb 4, 2013 | 04:05 PM
  #5  
ZINGGG's Avatar
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From: Seal Beach, CA
Year: 1996
Model: Cherokee
Engine: 4.0 HO Straight Six
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First step would be to take your battery to and auto parts store to get load tested. Also wouldn't hurt to take out your IAC and see what kind of shape it's in. If it's nice and black, some carb cleaner and taking an old toothbrush to it may help you out.
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Old Feb 4, 2013 | 04:10 PM
  #6  
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Originally Posted by 1996sportXJ
First step would be to take your battery to and auto parts store to get load tested. Also wouldn't hurt to take out your IAC and see what kind of shape it's in. If it's nice and black, some carb cleaner and taking an old toothbrush to it may help you out.
this. clean your battery terminals as well. good electrical connections go a long way.
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Old Feb 5, 2013 | 10:33 AM
  #7  
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Cleaned up the IAC a couple of months ago and the terminals are clean. Will do a load test within the next week since we are ordering a new battery tester for the shop now.
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