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Thread: 12 Things You Can Do When Your ZJ Stalls Reply to Thread

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  Topic Review (Newest First)
05-28-2019 07:14 PM
Pine_Cat Just saw this thread for the first time !
02-02-2019 10:42 PM
ZeeJay1997 Dammit! This has been here 6 years and no one has donated a red cent to my membership fund. Maybe no one reads the bottom line.
08-17-2018 11:03 AM
jweav2002 same issues. Initially had a # P0478 code. Replaced trany solenoid assembly, filter, fluid etc.

After tranny assembly replaced the alt. had new issues,
The new alt. wouldn't show charge unless the alt. field wires were BOTH temporarily grounded.
Indicative of a bad PCM. No other codes came up on diagnostic check.

PCM control field input signal which in turn controls alt. charging output depending on electrical load variables.
So PCM was bad.
PCM changed out -runs like a champ.
02-25-2018 01:21 PM
I found my cause of stall/ no run

95 Grand Cherokee Larado 4.0. I was able to repeat the stall and not start. On mine it was the 12v lead wires for the coil. where they enter the plastic loom cover under the alt, the old brittle cover had chewed through the wire. twist it, stall, bend it back, started, 4-5 times, I was able to repeat this. I hope this helps others. This stall, no start intermittent has been a problem for years, I hope this is "THE FIX" for mine
10-13-2017 09:56 AM

i have owned a 89 jeep larado and now a 94 jeep Cherokee basic model 220k miles baby and this is the best thing I have ever seen so simpley ty
08-11-2017 09:02 AM
UDY925 I've been following this thread for a long time. I agree that it never hurts to clean connections.

I had a battery-draining problem (turned out to be the driver's electric seat moving to-and-fro when the Jeep was parked and locked) and I thought that the charging circuit could have been at fault. I disconnected all the earth connections and cleaned them up. Once I'd finished, the battery was showing an increase in charge of +0.4Volts over what it had before, with the engine running - so a very worthwhile exercise
08-10-2017 11:50 AM
kg6mov If you can't get the connectors to show themselves as bad, it's probably not it.

Which is not to say that cleaning them would be a bad thing.
08-10-2017 08:18 AM
CamoX413 If I tap on my PCM to see if there's any change in running condition and it doesn't do anything, should I still take it out and clean all connections?
08-09-2017 01:53 PM
Zodee1994ZJ ZeeJay 1997
Holly hell if #1 didn't fix all my stalling problems. I have been working on this for over a year. ECM work IAC valve replaced 3 times. Tuneups, all kinds of crap. The only additional thing i did was clean up all positive wires and connections.
Needless to say your write up is bookmarked for any future issues that may arise.

I cant thank you enough .....

1994 ZJ, 5.2 V8
Dee F
06-02-2017 10:08 PM
jcw Buy local and check the 12 steps first is what I meant to say.
06-02-2017 10:06 PM
jcw I jumped ahead of the 12 steps and bought a new computer from Flagship. I eneded up with same old problems and new rough idle. Put old computer back in and at least got smooth idle back. Flagship Has a " life time warranty" but so far no luck even getting them to exchange the new computer. Nuy local is the lesson I am learning.
05-26-2017 08:07 PM
jcw Thanks for all this info
04-07-2017 08:30 PM
ZeeJay1997 I would look for corrosion in the fuse box in the passenger kick panel. Remove the kick panel and get in there with q good light and check for signs of water. And if it has been sitting it has had a chance to build up plant material in the cowl. When that happens the drains under the hood get clogged and water runs past the seal for the air intake, then enters the cab. Bad pax door seal and leaking sunroof seal will also affect the fuse box.
04-06-2017 08:31 PM
CreepersJeep I actually got done what I needed to the engine... stripped everything above the block... resurfaced the heads, new head gasket, intake and exhaust manifold gaskets, water pump.... It's been a while since I did all that. I had it running and threw a CEL on the test drive. The CEL was for "Shift solenoid--electrical." I got the part about a month ago, but haven't put it in yet. Been sitting in the driveway for months. I started it today after charging the battery. It was due for inspection (TX) last month, so I guess I'd better get under there soon and get that one figured out. I'm on tonight, just browsing the electrical displays... can I live with the sporadic flashing? Is it just a loose connector? and what would I lose to just rip them out? I think there are two separate displays malfunctioning, but it's been so long since it's been driven now, I can't even remember. Once I get it running and have time to tinker (Yeah, I've got that homeowner thing going too.) I'll be in the forums for more than just, "Hey, I need help." Thanks for your reply.
11-28-2016 05:12 PM
Originally Posted by Jazzy13309 View Post
a new Mopar Crank Sensor with a glued on ceral box spacer
Mopar sensor should already have a spacer. The cardboard spacer is for reinstalling a used sensor.

EDIT: Never mind. I just read the other post. I know the spacer applies to a 97. Not sure about other years. And you don't glue the spacer on. Stick it on there with some light grease.
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