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1999 Cherokee Sport Mechanical Start up issue

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Old 02-11-2013, 05:30 AM
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OEJ
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Year: 1999
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i had a similar issue with my 99 last year. first thing i did was take apart all the grounds and sensor plugs and clened them with elect contact cleaner. added some dialectric grease to all sensor connectors and grounds and grounding staps.

it worked for a day then acted up again. I then removed my connectors for the cpu and again cleaned with contct clnr and gooped it diaelcetric grease. she's been fine eversince. not one issue.

i would do this before testing/replacing any sensors. do the the cheap stuff first. good luck and i hope this works for you as it did for me.
Old 02-11-2013, 11:00 AM
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I think its CPS
did you read the code ?
Old 02-11-2013, 06:15 PM
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Originally Posted by BimmerJeeper

What exactly did you clean?
Does that pointy head on the right side get stuck?
Does that push in and out?
You just made sure it could freely move?

Also, what cleaner did you use?
Send you a pic of it cleaned later tonight i used air intake and throttle body cleaner
Old 02-11-2013, 06:16 PM
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Originally Posted by OEJ
i had a similar issue with my 99 last year. first thing i did was take apart all the grounds and sensor plugs and clened them with elect contact cleaner. added some dialectric grease to all sensor connectors and grounds and grounding staps.

it worked for a day then acted up again. I then removed my connectors for the cpu and again cleaned with contct clnr and gooped it diaelcetric grease. she's been fine eversince. not one issue.

i would do this before testing/replacing any sensors. do the the cheap stuff first. good luck and i hope this works for you as it did for me.
Thanks, will do all these things tomorrow i really want my jeep running fine cause it drives like it owns the road. Keep you posted
Old 02-11-2013, 06:19 PM
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Originally Posted by weld3z
I think its CPS
did you read the code ?
Will read the codes tomorrow around 7pm EST
Old 02-12-2013, 03:46 AM
  #21  
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Originally Posted by Patrick Fals
Will read the codes tomorrow around 7pm EST
is it coils line late 99-2000-2001 have coils check it they go bad any time
its like missing !!
good idea to check :
injectors
spark plugs
injectors wires

don't forget the CPS, if CPS (buy Mopar or OEM don't go with any other brands )
let us know what is this
good luck
Old 02-12-2013, 07:57 PM
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Originally Posted by weld3z

is it coils line late 99-2000-2001 have coils check it they go bad any time
its like missing !!
good idea to check :
injectors
spark plugs
injectors wires

don't forget the CPS, if CPS (buy Mopar or OEM don't go with any other brands )
let us know what is this
good luck
Read the codes at auto part no codes came up. My spark plus were changed recently and ill check the coils. I bought the electronic connection cleaner while I was there unfortuanetly it got dark and i wasnt able to clean them. Will do it tomorrow. Ill let you guys know how it goes.
Old 02-15-2013, 08:51 PM
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Still haven't cleaned it but for the past 2 days the start up has been perfect. Im waiting for the problem to come up again and then clean. Will keep you guys updated.
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