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rutheford 04-11-2013 02:49 PM

random stalling
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i have a 1979 jeep cj7 manual tranny with an amc 304 with 15000 miles since it was rebuilt. its been intermittently stalling mostly under load and i cant figure it out. i have a complete new exhaust. rebuilt mc2100 about a month ago. new fuel pump fuel filter dist cap and rotor timed at 5 btdc iv got new plug wires. now i have a bad cat smell but the problem was ocurring before the new cat. maybe float bowl? any input would be much appreciated thanks

pman 04-28-2013 06:15 PM

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Completely cutting out like you turned off the ignition? Or slow dying?

Trapshooter 04-28-2013 09:27 PM

Disconnect the cat and see if the problem still occurs.

rch316 06-19-2013 12:14 PM

Did you figure out the problem
Hi Trapshooter were you able to figure out what was wrong with your Jeep? My CJ7 is randomly stalling on me while driving down the road. It has done it twice in the past week. It will start back up within 30 seconds after stalling. Any advice would be great. Thank you!

Newbjeep 06-19-2013 01:17 PM

I had the same problem all the sudden it started stalling every ten min turned out I had a grease rag in my gas tank that would plug my sending unit

rch316 06-24-2013 08:06 AM


Originally Posted by pman (Post 15360888)
Completely cutting out like you turned off the ignition? Or slow dying?

Yes it is completely cutting out like turning off the ignition while driving.

84bluecj 06-24-2013 09:50 AM

Try checking your grounds motor to body and motor to frame... An loose connection can imitate and act like your describing

pman 06-24-2013 08:02 PM

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May possibly be your ignition module going on the fritz IF its very sudden. Try using the search function on the CJ forum; Bagus Jeep has written some thorough instructions on troubleshooting the ignition components.

Over the years, I've had three things that have caused the sudden shutoff as you describe:
-ignition module
-ignition switch
-pickup coil

jimark 06-25-2013 12:27 PM

I had the same issue with my 79, I checked the coil it would shoot spark up but when it got warm it would just die then start up 2 min later. This went on for a month, then changed coil and issue goes away.

skizriz 06-25-2013 07:09 PM

My random stalling problem turned out to be the cap for the coil. The red wire was down to a single strand of wire where the terminal was crimped on.
It would randomly shut off. Hit the key and it would start right back up again.Took me months to figure out the problem, which I noticed by sheer luck.
A bit of solder and it's as good as new.:cheers2:

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