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Old 11-06-2010, 01:19 PM   #1
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New jeep owner with electrical problems

I just got a 1990 YJ after 1 week it has electrical issues. I have new coil,cap,rotor. It turns over great but only runs for 5 mins. Battery and grounds are good. Want to know about ignition module or pick up coil. Can they be tested at home? If so how? can anybody help a newbee jeep guy?
I really want to play in the mud this time of year.
Forgot to say 4.2L carbed with new steering coloum so dont think ignition switch.

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Old 11-06-2010, 02:51 PM   #2
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Could be the 02 sensor? (lambda)..funny how it starts up fine...then when warm cuts out again!!?..

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Old 11-06-2010, 05:12 PM   #3
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is your choke stuck?
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Old 11-07-2010, 02:00 PM   #4
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the choke is ok thanx for trying
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Old 11-07-2010, 02:01 PM   #5
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the o2 sensor is fairly new the thing wont fire at all now
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Old 11-07-2010, 07:07 PM   #6
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Quote:
Originally Posted by DaveWhittaker View Post
the o2 sensor is fairly new the thing wont fire at all now
balls, theres a bunch of users on here who have carb'd jeeps, I'm sure they'll help you out. There are a bunch of posts in this forum about jeeps with carb engine problems and how they solved them. I would do a little scouring if no one gets back to you.
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Old 11-08-2010, 08:19 AM   #7
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Thanx will keep looking and will update progress

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