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Unread 01-07-2012, 09:12 PM   #1
teenfalcon13
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1985 CJ7 
 
Join Date: Oct 2011
Location: Nashville, Tennessee
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Jeep starting issues

Drove my 81' CJ7 around all day today with no issues. Then just a couple hours ago went out to crank it up and its trying to turn over but won't. Seems like it could be a fuel filter, or fuel pump issue. Just changed all of the spark plugs, spark plug wires and new cap and rotor. Seems weird that it's an issue as it has never been before. Even when I try and give it gas it doesn't seem like its getting it.

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Unread 01-07-2012, 09:12 PM   #2
teenfalcon13
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Correction though it's irrelevant to the issue at hand, it's a 85' lol
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Unread 01-07-2012, 09:16 PM   #3
mopar346
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Fill out your profile and people will know the specifics on your CJ. Does it spin at the proper speed or does it seem slower? Do you know how to prime the carburetor? Does it sputter or anything? How you checked for spark?

These answsers will help with recommendations of what to look for.
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Unread 01-08-2012, 08:37 AM   #4
teenfalcon13
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I updated it a little more. I am not totally certain of some of the specifics that it asks me for. As far as the jeep is concerned it does seem to be spinning at the proper speed. I do know how to prime the carb, and there is no sputtering. It is trying to turn over just wont, as vague as that sounds. Also there is spark I had a buddy check and it shocked him pretty good! lol I may post a video link and upload a video to youtube.
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Unread 01-08-2012, 09:13 AM   #5
mopar346
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OK, 9sounds fuel delivery then, have you tried it this morning? It could be a vapor lock.

Priming the carb is simply putting a little fuel directly in the throat of the carb, it must be done carefully since you are dealing with raw fuel it can be dangerous. You only put a small amount in, several table spoons and then put the fuel source far away and crank the engine, if it fires up you then you have confirmed a fuel supply issues.
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Unread 01-08-2012, 09:17 AM   #6
lucdog
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Does the fuel gauge work, and your 100% sure there is gas in the tank.
It runs when you pour a little gas in the carb for 2or 3 seconds?
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Unread 01-08-2012, 09:29 AM   #7
CJ Chet
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You might check your fuel filter. Make sure the return is at 12 o'clock position in relation to the output port (center).
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Unread 01-08-2012, 10:53 AM   #8
carnell
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Another thing to look for is the 15amp (Blue) fuse. If thats blown, it cuts power to your module. I found this out the hard way..... Troubleshot for a week then took it to the stealership and they found it. Couldn't find a reason why it blew, but now I keep a a bunch of spares with me now.
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Unread 01-08-2012, 08:55 PM   #9
teenfalcon13
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Well as you all know it started with that. Checked the fuel by cranking it while the line was off the carb. Definitely good with the pump. Filter was also good. After running those checks I then tried starter fluid in the carb and still no start. So after a few more attempts the whole ignition seemed to go out. I turn the key and there was absolutely no response. This is already making me mad. Luckily I have AAA and I took it to a shop. I will let everyone know what the problem(s) are. Thanks for the advice.
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Unread 01-08-2012, 11:25 PM   #10
carnell
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So you checked the fuse????
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Unread 01-09-2012, 08:06 AM   #11
teenfalcon13
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Yeah I checked all fuses and all were in tact. This same thing happened to my CJ5, and it ended up being my ignition switch in my steering column.
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