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Old 04-01-2007, 08:16 PM   #1
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89' YJ cutting out

I went and picked up my first jeep today about 130 miles from my house. It is a 89 yj with a straight 6 and the AX15 transmission. The PO has put a Weber carb on it. It ran great but It’s got a problem where when you start up a steep hill or speed up to pass someone it acts like its not getting gas. The first time it started it, we pulled over and sprayed some carburetor cleaner in it and it ran great for another 20 miles before it started it again. We had to repeat the process several times but we finally made it home. Once I got home I did a thorough inspection under the hood. Everything seems to be in order except for one plug wire that doesn't match the rest and Some wires off of the ignition control module have been cut and spliced in a hodgepodge mess and wrapped in yellow tape. I then took it and rode around one some local 2 lane roads never getting over 50 mph and didn’t have a single problem with it. It only does it when you are at highway speed and start up a hill or accelerate to pass someone. I was told by a friend of mine that it could be the fuel pump, or the float in the carburetor and my dad thinks it could be the ignition control module. Has anyone else had this problem or know anything about what might be wrong. Thanks

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Old 04-01-2007, 09:04 PM   #2
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not sure i can help ya hear. just wanted to say welcome to the forum though. i'm in columbus, where u at?

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Old 04-01-2007, 09:52 PM   #3
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Quote:
Originally Posted by jeepyj027 View Post
I went and picked up my first jeep today about 130 miles from my house. It is a 89 yj with a straight 6 and the AX15 transmission. The PO has put a Weber carb on it. It ran great but It’s got a problem where when you start up a steep hill or speed up to pass someone it acts like its not getting gas. The first time it started it, we pulled over and sprayed some carburetor cleaner in it and it ran great for another 20 miles before it started it again. We had to repeat the process several times but we finally made it home. Once I got home I did a thorough inspection under the hood. Everything seems to be in order except for one plug wire that doesn't match the rest and Some wires off of the ignition control module have been cut and spliced in a hodgepodge mess and wrapped in yellow tape. I then took it and rode around one some local 2 lane roads never getting over 50 mph and didn’t have a single problem with it. It only does it when you are at highway speed and start up a hill or accelerate to pass someone. I was told by a friend of mine that it could be the fuel pump, or the float in the carburetor and my dad thinks it could be the ignition control module. Has anyone else had this problem or know anything about what might be wrong. Thanks
Check the easy stuff first.........fuel filter, lines, etc.
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Old 04-01-2007, 10:33 PM   #4
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Thanks for the welcome. I am located about 30 miles north of gainsville, ga. I took the fuel filter off and blowed air threw it but it didn't seem to be stopped up. I am going to get some new hose tomorrow and replace all of the old rubber fuel lines.
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Old 04-02-2007, 09:16 AM   #5
coilovers are damn flexy
 
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I solved that problem with my 89YJ, and put a fuel injected Chevy 350, in it............
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Old 04-02-2007, 09:51 AM   #6
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I think I may have found the source of my problem. One of the rubber fuel lines at the tank is in such a tight bend it is almost kinked. I think that maby when I was getting on the gas to pull a hill the extra suction from the fuel pump was causing the line to collapse and cause my problem. I think when I stopped it was allowing the line to open back up and then it would run fine until I started up another hill and it collapsed the line again.
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Old 04-02-2007, 09:54 AM   #7
coilovers are damn flexy
 
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Sounds like a likely culprit to me. I had that problem on my auxillary fuel tank, on my P/U, it did the same thing. Sounds like you found your problem. I was just having some fun with the V8, thing. Hope you didn't take it wrong.
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Old 04-02-2007, 10:13 AM   #8
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I knew you were just messing around. I've got a pretty good sense of humor. I will go the to parts place in a little while and get some new rubber line and see if I can fix the problem.
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Old 04-02-2007, 04:28 PM   #9
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I just wanted to report that the problem seems to be solved. I put a new fuel filter and pump on and fixed the kink in the fuel line and it seems to have stopped cutting out.
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Old 04-03-2007, 11:08 AM   #10
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Glad to hear it.

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