Question about 1983 Jeep CJ7

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My 1985 cj7 will turn over but wont start put a new coil in and new distributor. think there may be a computer problem

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Change the motorcraft module box located on the inside fender well on the left side

Posted on Jul 21, 2009

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1 Answer

How to figure out why my 1985 jeep CJ7 with a 258 backfires when I try to accelerate


Try checking the timing with a timing light. Sounds like its off.

Oct 10, 2014 | 1985 Jeep CJ7

1 Answer

Accelerated from a stop and heard a loud bang coming from rear of jeep and then it wouldn;t go anywhere i put it in reverse and then it moved forward i have a 1985 cj7


Distributor shifted on you and timing is out of phase. turn the distributor about 1/4 inch counter clockwise with your hands and test drive it . if it improves you have a busted bolt on the core (not uncommon for an old CJ) .. may need to tighten bolt or drill out a new thread and put a tight bolt in . When you are out of phase, it sounds like you have an exhaust problem , loud noise in exhaust and no compression nor acceleration , except in lower (high rev) gears. jorge diaz

Jan 20, 2012 | 1985 Jeep CJ7

1 Answer

1985 cj7 6cyl starts up just fine and then it wont


Sound like either fuel or ignition. Have you replaced any fuel filters? I would check the condition of the distributor cap and wires as well. Moisture could be a factor.

Oct 08, 2009 | 1985 Jeep CJ7

2 Answers

81 jeep cj7 wont start after rewiring


check this,
remove a convenient spark plug, stick it on it's wire and place where you can see it, stick you finger over the spark plug hole and have a friend crank the engine, note whether the air blast and spark are the same instant if not the distributor's out of time

Aug 30, 2009 | 1983 Jeep CJ7

1 Answer

No spark from coil CJ7 with 4.2L


have you tried resetting the computer take hot cable off for five mins and see what you have

Aug 10, 2009 | 1985 Jeep CJ7

1 Answer

Problems starting my Jeep CJ7


well first off check for spark then air then fuel that is what cause your car to start...

Jul 10, 2009 | 1985 Jeep CJ7

1 Answer

Parked my Jeep last. Was running fine. This week


It would be wise to check the timing and see if timing belt may have jumped or if it has a chain same thing. Also make sure if vehicle is getting fuel and spark first if this is ok then check the timing belt or chain. have someone spin engine and watch the rotor inside distributor and see if it turns. If not belt or chain is broken. If it does turn make sure it is in proper position. Fuel and Spark and then timing.

Jun 19, 2009 | 1985 Jeep CJ7

1 Answer

85 cj7 4cyl runs good in first two gears then boggs down


have you ran a compression check yet? check and make sure there's no water in your oil also. Sometimes a warped head will react this way, has the vehicle ran hot recently? Lastly make sure your catalytic convertor isnt restricted in any way.

Jun 17, 2009 | 1985 Jeep CJ7

1 Answer

Wont run


The problem may be with the distributor try to find a cheap used one at a junk yard, the same thing happened to my dads 1990 ramcharger

Feb 09, 2009 | 1985 Dodge Ramcharger

2 Answers

No spark, just put in a new coil, distrbutor isnt dirty or wet, sombody told to check out the littl box's on the fender well, what are these to box's and what is there purpose? Mike 77 cj-5 304 3spd I...


I had the same problem with my 85 cj7 this week, I relpaced the ignition control module, plugs, wires, cap, rotor and the the coil; still had no fire to plugs. the problem turned out to be my distributor, replaced it today and she fired right up. Most likely it was the pick up module in the distributor that went bad.

Nov 30, 2008 | 1983 Jeep CJ7

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