HELP my Jeep is dying! - JeepForum.com
 
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post #1 of 9 Old 02-12-2011, 03:04 PM Thread Starter
jeeper96
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1996 ZJ 
 
Join Date: Jan 2011
Location: West Chester
Posts: 52
HELP my Jeep is dying!

So in the past 2 weeks my Jeep's motor has been completely shutting down randomly, but always starts back up(KNOCK ON ****ING WOOD).
For instance:
I will be driving and all of a sudden the motor shuts off completely, I lose power steering and brakes but all other electrical stuff WORKS. Depending on the situation usually the motor will die and within a second or two it comes back on through the momentum of the car (I assume).
There have been 2 occasions that it died and I needed to repeatedly hit the starter for it to run but other than that she kicks back running under her own power.

My opinion: I'm thinking its something with the fuel pump or distributor, something fuel or spark related.

Any help?

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post #2 of 9 Old 02-12-2011, 03:08 PM
ZeeJay1997
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1997 ZJ 
 
Join Date: Dec 2008
Posts: 8,555
When is the last time you changed the spark plug wires?
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post #3 of 9 Old 02-12-2011, 03:12 PM Thread Starter
jeeper96
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1996 ZJ 
 
Join Date: Jan 2011
Location: West Chester
Posts: 52
Well I just bought it about 2 months ago and they said it had a recent tune up. I'll check the plugs but I doubt they are the problem.
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post #4 of 9 Old 02-12-2011, 03:17 PM
ZeeJay1997
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There are a lot of things that can cause your problem. i assume since you didn't say so, you do not have codes stored. You can have code without check engine light.
Try retrieving with the key, on off, on off, on off, on within 10 sec and look at the odometer.

Also try wiggling the PCM plugs and tap lightly on the PCM
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post #5 of 9 Old 02-12-2011, 04:34 PM
Jeepfordan
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1998 XJ Cherokee 
 
Join Date: Mar 2009
Location: Bowling Green
Posts: 355
Could be the cps. I had a problem that sounds the same as yours when I first got my jeep. No real test for it that I know of without a voltmeter and I don't know what the correct readings for t would be. Guess this wasnt a ton of help, but I would look at replacing the cps for sure

1998 XJ- 4.0/AX-15/231- 3.5" RE. 4.10 gears - 4.6 build in progress.
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post #6 of 9 Old 02-12-2011, 05:17 PM
Myetball
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1998 ZJ 
 
Join Date: Aug 2007
Location: San Antonio, TX
Posts: 105
Had the same issues with a bad ASD relay. Try swapping the A/C and ASD relays and see if it goes away.
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post #7 of 9 Old 02-12-2011, 06:14 PM Thread Starter
jeeper96
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1996 ZJ 
 
Join Date: Jan 2011
Location: West Chester
Posts: 52
Quote:
Originally Posted by Jeepfordan View Post
Could be the cps. I had a problem that sounds the same as yours when I first got my jeep. No real test for it that I know of without a voltmeter and I don't know what the correct readings for t would be. Guess this wasnt a ton of help, but I would look at replacing the cps for sure
Sorry but what is a CPS?
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post #8 of 9 Old 02-12-2011, 06:15 PM Thread Starter
jeeper96
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1996 ZJ 
 
Join Date: Jan 2011
Location: West Chester
Posts: 52
Quote:
Originally Posted by Myetball View Post
Had the same issues with a bad ASD relay. Try swapping the A/C and ASD relays and see if it goes away.
Is this a direct swap? No hassle or fuss?
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post #9 of 9 Old 02-13-2011, 08:26 AM
scottfelsen
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1998 ZJ 
 
Join Date: Apr 2010
Location: Atlanta, GA
Posts: 158
I think the cps is the crank shaft position sensor.
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Tags
electrical issue , fuel , jeep , motor , motor problems

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