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1989 Cherokee stalls while driving. Please help!

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Old Sep 7, 2010 | 09:01 PM
  #1  
sirmaxwell's Avatar
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Default 1989 Cherokee stalls while driving. Please help!

Hey,
So I have a 89 cherokee. A couple days ago I was driving her and all of the sudden she stalled on me. I tried to jump start it wouldn't work. After that failed I waited for my dad to come home because he's the technician. When we got to the car it started right up and i was able to driver her home.
After a looking and trying to figure out what it was that stalled my car, I replaced my battery. It worked for about half an hour and she gave up again. Long story short it happened again and again.
So what i did to the car is the following:
I took out the gas tank to see if it was rusty. Turned out it was clean.
Then i looked at the fuel line which seem to be fine as well.
after having everything put back together started ehr up again worked.
I tried driving her around the block but she stopped not 100yards from my house.
The things i figured out are that as soon as the car runs a little hotter than usual it stops.
Also i checked the spark plugs and they are dry after the car stalls. However the fuel pump works.
Then i tried to test the spark plug after having the car run warm for a while and there was no spark.


I know this is a lot to read and I'm sorry that most of what i wrote is unorganised.
But thank you for your patience.
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Old Sep 7, 2010 | 09:44 PM
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From: 30907
Year: 1990
Model: Cherokee
Engine: 4.0L I6 EFI "Power Tech"
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check your cps thats the first cause I go to when something electrical goes wrong in a jeep. its a pain in the butt!!! you can test it or just replace it.
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Old Sep 12, 2010 | 04:32 PM
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thanks for the advice ill look into it.
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Old Sep 12, 2010 | 04:37 PM
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if the jeep boogs out you might try the idle air control valve or the throttle positiong sensor
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Old Sep 15, 2010 | 06:35 PM
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i just replaced the cps. which was infact a pain to replace. it seems that it just turned bad. so now i just gotta wait and see what happens, im pretty sure that it won't happen again though.
thank you for giving me the advice i really appreciate it
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Old Sep 15, 2010 | 08:47 PM
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Year: 1990
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Engine: 4.0L I6 EFI "Power Tech"
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smae thing happened to me. but yeah I hope it stays working for you
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Old Oct 25, 2011 | 05:20 PM
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Hey where is the cps. Located cause my Jeep act like its not getting gas and I changed fuel pump the filter and all. It had water in gas tank
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Old Oct 29, 2011 | 06:53 PM
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From: 30907
Year: 1990
Model: Cherokee
Engine: 4.0L I6 EFI "Power Tech"
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on the firewall drivers side of the block. look for the plug to it and then follow it down. its hard to change while still in the vehicle not gonna lie.
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