miss on fire up
05-15-2022, 09:50 AM
#1
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Location: Iowa
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Year: 1993
Model: Cherokee
Engine: 4.0
miss on fire up
So i started my Jeep this morning ran like it was missing on 1/2 the cylinders putting out smoke out the tail pipe smelled like raw fuel after a little bit it smoothed out and is running fine now you guys have any idea what is going on ? crank sensor maybe
05-16-2022, 07:02 AM
#2
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Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
I would be closely inspecting the vacuum line from the intake manifold to MAP sensor.
Have you ever cleaned your throttle body?
Have you ever cleaned your throttle body?
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