After up to operating temp
Thread Starter
Newbie
Joined: Jan 2011
Posts: 10
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From: northeastern Utah
Year: 1990
Model: Cherokee
Engine: 4.0
After up to operating temp
after warmed up 4.0 will not restart.been through fuel system, replaced pump ,filter,checked for vap lock.looking to electrial at this point any ideas?
Last edited by 6nut; Mar 12, 2016 at 02:54 PM.
CF Veteran
Joined: Oct 2010
Posts: 2,150
Likes: 12
From: Ontario, Canada
Year: 1989 Laredo
Model: Cherokee
Engine: 4.0 L 6 Renix
Just a suggestion.
I've had Throttle Position Sensor issues after engine hot. Always a good cold start. Erratic after warm up. Check your TPS settings. Cruiser's tips give the set up values.
I chased tail and replaced couple times. Current unit (Standard brand, Napa) is working flawlessly (jinx) for about a year.
Check your settings. If settings don't jive and are suspect then change the part.
I'ts a $75 part here, perhaps less in Cali.
I've had Throttle Position Sensor issues after engine hot. Always a good cold start. Erratic after warm up. Check your TPS settings. Cruiser's tips give the set up values.
I chased tail and replaced couple times. Current unit (Standard brand, Napa) is working flawlessly (jinx) for about a year.
Check your settings. If settings don't jive and are suspect then change the part.
I'ts a $75 part here, perhaps less in Cali.
Thread Starter
Newbie
Joined: Jan 2011
Posts: 10
Likes: 0
From: northeastern Utah
Year: 1990
Model: Cherokee
Engine: 4.0
thanks,This XJ
is a Frankenstein and some parts been in the family quite a few years don't know if TPS sensor had been changed good idea thank you
is a Frankenstein and some parts been in the family quite a few years don't know if TPS sensor had been changed good idea thank you
Just a suggestion.
I've had Throttle Position Sensor issues after engine hot. Always a good cold start. Erratic after warm up. Check your TPS settings. Cruiser's tips give the set up values.
I chased tail and replaced couple times. Current unit (Standard brand, Napa) is working flawlessly (jinx) for about a year.
Check your settings. If settings don't jive and are suspect then change the part.
I'ts a $75 part here, perhaps less in Cali.
I've had Throttle Position Sensor issues after engine hot. Always a good cold start. Erratic after warm up. Check your TPS settings. Cruiser's tips give the set up values.
I chased tail and replaced couple times. Current unit (Standard brand, Napa) is working flawlessly (jinx) for about a year.
Check your settings. If settings don't jive and are suspect then change the part.
I'ts a $75 part here, perhaps less in Cali.
Last edited by 6nut; Mar 24, 2016 at 04:37 PM.
Thread Starter
Newbie
Joined: Jan 2011
Posts: 10
Likes: 0
From: northeastern Utah
Year: 1990
Model: Cherokee
Engine: 4.0
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Thread Starter
Newbie
Joined: Jan 2011
Posts: 10
Likes: 0
From: northeastern Utah
Year: 1990
Model: Cherokee
Engine: 4.0
after-up-operating-temp
OK fuel test good all within spec's.. after warm up no spark out of the coil,
any thoughts, replaced stock coil 100 miles ago.. what about after market?
would it be the CPS?
any thoughts, replaced stock coil 100 miles ago.. what about after market?
would it be the CPS?
Last edited by 6nut; Mar 26, 2016 at 11:46 AM. Reason: more ideas
Thread Starter
Newbie
Joined: Jan 2011
Posts: 10
Likes: 0
From: northeastern Utah
Year: 1990
Model: Cherokee
Engine: 4.0
[QUOTE][[/U][/QUOTE
missing bolt in front of PS pump mount, removed serp belt cleaned pulleys and both sides of the belt, fits true and tight going to run a few days.. Hopefully can find a gauge for the belt in the mean time👍🏽
Thanks for the help....
Thanks for the help....
Member
Joined: Jul 2014
Posts: 165
Likes: 2
From: Sault Ste. Marie, Ontario
Year: 1996
Model: Cherokee
Engine: 4.0L Straight 6
My AC compressor was forced on with the wrong bolts by the previous owner so it sits every so slightly loose, and I mean SLIGHTLY. I bought this belt because I heard it REALLY helps with squeals:
http://www.rockauto.com/en/moreinfo....180314&jsn=354
And sure enough, I don't have a slight squeak when I gas it hard anymore.
http://www.rockauto.com/en/moreinfo....180314&jsn=354
And sure enough, I don't have a slight squeak when I gas it hard anymore.
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