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2002 Liberty 3.7 Misfire issues
For closure sake - hopefully this will be my last post for a while. Injector #3 had a steady drip. Upon replacement, the car started right up (and continues to start right up) and the shudder I felt from constant misfires has smoothed out at idle, stoplights etc... No CELs Thanks for all the...- dnohe
- Post #9
- Forum: KJ General Discussion
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2002 Liberty 3.7 Misfire issues
Thanks for the reply - I have sprayed carb cleaner all around the engine and manifold and haven't discovered any vacuum leaks, but will keep looking. Plus the fuel trim isn't representative of a vacuum leak, Its indicative of the engine running super-rich and trimming fuel way back to...- dnohe
- Post #8
- Forum: KJ General Discussion
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2002 Liberty 3.7 Misfire issues
For follow-up..... After replacing Bank 1-1 O2 and the IAC, I'm still getting misfire codes. I'm still showing readings in the .8 on the new O2 sensor and fuel trim in the -30 range. I have a feeling that one or more of the injectors are leaking which is why I'm seeing a plume of blue smoke rich...- dnohe
- Post #7
- Forum: KJ General Discussion
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2002 Liberty 3.7 Misfire issues
Car has 130K on it. All 6 ignition coils are new as well and the plugs are ZFR6F-11G as was indicated on the engine spec label.- dnohe
- Post #4
- Forum: KJ General Discussion
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2002 Liberty 3.7 Misfire issues
I have read through a number of threads regarding misfires and P030x codes and haven't seen or come up with a solution that will help resolve our issues and am seeking advice on next steps. We don't have a long history with the car, some some things are unknown. What we do know is: Car has...- dnohe
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- Replies: 12
- Forum: KJ General Discussion
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