my 2000 wj died
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Joined: Mar 2011
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Model: Cherokee
my 2000 wj died
2000 wj. fuel, spark, and compression all good. cranks and backfires out of throttle body. good fuel pressure, Seems like timing, rotor spins, need to check the camsensor somehow, someone put a cranksensor and it has a rpm signal. im lost
CF Veteran
Joined: Nov 2010
Posts: 5,841
Likes: 117
From: In the middle of Minnesota!
Year: 1999
Model: Cherokee
Engine: 4.0
Your camshaft position sensor is absolutely the #1 suspect here.
It controls fuel injector timing as well as other things, and if the timing for fuel delivery is off, that can create the backfires you are experiencing.
You can test them, or you could just replace it.
It controls fuel injector timing as well as other things, and if the timing for fuel delivery is off, that can create the backfires you are experiencing.
You can test them, or you could just replace it.
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