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Old 11-24-2008, 12:59 PM   #1
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Angry 1994 Wrangler will not start in the cold

My Jeep wont start in the cold.....well it will start but takes a couple minutes...Any ideas on what the issue might be?? THanks

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Old 11-24-2008, 01:14 PM   #2
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żBattery?

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Old 11-24-2008, 01:32 PM   #3
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The battery is new.....I put new plugs, wires and cap...The timing is off tho, so im not sure if that would cause it from starting...i also checked all the vac hoses that i could see and put a new exhaust on it...I almost feel like it is starving for gas when i try to start it....if i do get it started it will start fine for the next couple hours but if the engine gets cold it wont start....
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Old 11-24-2008, 02:04 PM   #4
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Post 1994 Wrangler will not start in cold (2nd post, first post to vague)

its a 1994 wrangler with 144,000..I just bought it and it is my first jeep....I put new plugs, new battery, wires, cap, and exhaust on it.....Now that the colder weather is here the Jeep wont start in the cold...If i do get it running it takes a few minutes and it will run fine....If i let it sit for a couple hours it is hell to start again...I do know that the timing is off...Can somebody please help, it is my first Jeep and I cant wait to drive it without wondering if it will start...Thanks
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Old 11-24-2008, 02:56 PM   #5
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Shot in the dark, but do you have a PCV valve?
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Old 11-24-2008, 05:06 PM   #6
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sounds to me you could have a partially plugged up fuel filter. Maybe. Try adding a some injector cleaner such as lucas oil brand to the fuel tank and replacing the the fuel filter. This new fuel with the ethanol loosens all kinds of stuff up out of the fuel tank. when we first started using the new gas up here every small engine at home and at work had a hell of a time with it. small 2 stroke outboards should not even be ran without some sort of stabilizer in it. let us know.
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Old 11-25-2008, 04:24 PM   #7
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I didnt change the pcv valve, i guess i should it is easy and cheap.........I will let you all how i make out...Thanks
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Old 11-25-2008, 07:08 PM   #8
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Timing will effect the ability of your jeep to start, how far is it off and why? If there are worn parts the timing may just be an indicator of this. Have you tried to set the timing correctly?
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Old 11-25-2008, 08:59 PM   #9
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i dont know much about fixing cars....but the car backfires and putters a bit when driving. Also when i shut the ignition off the engine putters for a second after. So ive been told that my timing is off, i dont know for sure.....I have not done anything with the timing yet, but on Friday it is getting done.
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Old 11-25-2008, 09:03 PM   #10
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make sure you replaced the distributor rotor also, and definately fix the timing before trying to find a different problem. a good rule of fixing cars is you gotta fix what you see wrong before moving past it. also, might not hurt to double check your firing order with a manual.
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Old 11-25-2008, 11:44 PM   #11
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Old 11-26-2008, 05:49 AM   #12
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If it is backfiring and you have engine run on (thats what its called when it doesn't shut off right away) it is definitely a timing issue. If the cap and rotor are old replace them they aren't half as expensive as the extra fuel you are using and then get tthe timing set. I bet it will be like having a new jeep
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Old 11-26-2008, 05:38 PM   #13
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The backfire is most likely from the timing...As for not starting in the cold...It could be your fuel pump, fuel filter, dist. cap, rotor, ignition coil...Those are the most popular...Check and see if you put your key on the on position for about 15 minutes and try and start it...See if that gets it up on the first try...Listen for clicking sounds...
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Old 11-26-2008, 06:30 PM   #14
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Actually since we know the timing is off it could be the hard starting issue as well. If you timing does not send a spark to the plugs at the same time the fuel is delivered it could result in the fuel not being burned at the proper rate which can cause hard starting, fouling of plugs and or engine knock and run on.

Always start with things you know are wrong then start replacing other things if you want but why fix everything else just to find out you should have fixed the known problem, which could have caused all of the other issues first. Don't just throw money at it fix it correctly and it will service you for a long time.
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Old 12-22-2008, 12:01 AM   #15
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hey there i was reading your post and im not sure if you fixed the pboblem but i have had the same thing happen to me. i bought my jeep in the summer and was running good but when it got cold out my jeep would not start and i spent alot of money trying to figure it out. this is what you do take the computer out and warm it up by putting it next to a heater or something when its warm enough put it back in the jeep if it starts right up then change the computer.

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