1990 Wrangler YJ Islander - Jeep Wrangler Forum

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Old 06-20-2012, 11:42 AM
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1990 Wrangler YJ Islander

My name is Heather, not really intelligent with mechanics. I purchased a 1990 Jeep Wrangler YJ Islander about 2 months ago. For the most part, everything is great with it. The previous owner replaced some of the parts, along with the steering box. I know it has a carburetor, which is really a pain in my butt. It has a hard time starting, it takes a few minutes. I was wondering if there is anything I can do to make it start up quicker. I'm up for anything - price and all. I just want it to be able to start up normally, and if it's having this much trouble starting in the summer, I can't imagine the trouble it's going to have in the winter. Please help! any suggestions or opinions welcomed. Again, I'm new to all of this. Thanks
Ps, there's a picture of it posted in my profile!
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Old 06-20-2012, 02:54 PM   #2
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Probably the auto choke isn't functioning properly. I think the most easy and inexpensive fix without replacing the carb. is to install a mechanical choke (cable) that you can set from inside the cab. These carbs. leak internally most times. Before you first start it cold pump it 3 or 4 times and then try starting it with your foot off of the accel. If it doesn't want to start after the second or third try it's probably the choke. I would also change the fuel filter just in case there's some type of blockage. Trying to keep it inexpensive. The most expensive fix is to convert to fuel injection.

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Old 06-20-2012, 08:00 PM   #3
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which carb do you have?
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Old 06-20-2012, 09:32 PM   #4
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Nice looking Jeep. Would have never have guessed it started out life as an Islander! I have an 89 and was having the same trouble starting mine after it had warmed up. If you are trying to start it cold (after it has sat over night) push the gas pedal all the way to the floor ONCE and take your foot off. That will set the choke and it should start up and idle pretty high. When starting it after it has warmed up, try pushing the gas pedal down about halfway and then turning the key. The way I fixed mine was by adjusting the air/fuel mixture and the high idle cam screw. Let us know how you do tomorrow.
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Old 06-25-2012, 06:01 PM
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Thanks for both of your answers I have no idea what kind of carb. i have. It has been acting a little better.. it seems to have good and bad days. I'll definitely try out your advice with pushing down the pedal all the way before attempting to start it. I just need to find someone close to me who has a lot of knowledge on keeps who can physically check it out. Thanks again!
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