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jeep starts then dies after 1 or 2 seconds

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Old 03-08-2014, 06:59 PM
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Year: 1998
Model: Cherokee
Engine: l6 4.0
Default jeep starts then dies after 1 or 2 seconds

I have a 98 jeep grand cherokee. i just bought it recently and when buying it the guy said the catalytic converter was bad. hooked it up to a code reader and its said the o2 sensor was bad. i changed the oil in it yesterday and afterwards it started messing up it will crank but almost immediately shut off. ive talked to some people about it and they named off a couple of things it could be. the o2 sensor, catalytic converter, oil sending unit, or the ecu. havent replaced anything yet want to get some more opinions first.

Last edited by T-rexx; 03-08-2014 at 07:05 PM.
Old 03-08-2014, 07:13 PM
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When my jeep was doing that, the gas lines were froze up a little bit.
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