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Unread 04-11-2013, 03:49 PM   #1
rutheford
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1979 CJ7 
 
Join Date: Oct 2009
Location: torrance california
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random stalling

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

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Unread 04-28-2013, 07:15 PM   #2
pman
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1988 YJ Wrangler 
 
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Completely cutting out like you turned off the ignition? Or slow dying?
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Unread 04-28-2013, 10:27 PM   #3
Trapshooter
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Disconnect the cat and see if the problem still occurs.
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Unread 06-19-2013, 01:14 PM   #4
rch316
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1978 CJ7 
 
Join Date: Jun 2013
Location: Osterville, MA
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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!
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Unread 06-19-2013, 02:17 PM   #5
Newbjeep
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1972 CJ5 
 
Join Date: Feb 2013
Location: Arlington, Wa
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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
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Unread 06-24-2013, 09:06 AM   #6
rch316
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1978 CJ7 
 
Join Date: Jun 2013
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Quote:
Originally Posted by pman View Post
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.
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Unread 06-24-2013, 10:50 AM   #7
84bluecj
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1984 CJ7 
 
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Try checking your grounds motor to body and motor to frame... An loose connection can imitate and act like your describing
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Unread 06-24-2013, 09:02 PM   #8
pman
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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
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88 Wrangler Laredo 258-999-NP231
81/76 CJ5 304-t150-Spicer 20
82 Wagoneer 360-727-NP208
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http://www.jeepforum.com/forum/f8/cj...-lulu-1350563/
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Unread 06-25-2013, 01:27 PM   #9
jimark
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1979 CJ7 
 
Join Date: Jun 2011
Location: Clarksville, Ar
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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.
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Unread 06-25-2013, 08:09 PM   #10
skizriz
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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.
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