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    No Start, P1694. Tons of work done, not sure where to start

    All, I am in the process of building an 89 Comanche with a full 1998 cherokee swap. Everything from the comanche is gone, so the vehicle is effectively a 98 cherokee for diagnostics. Everything has been swapped over at this point. I am unsure of where to start my diagnostics and I need some...
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    Chasing misfire and running out of variables.

    Hello all, I have a 1998 Cherokee 4.0 5spd 4x4. I suddenly developed a cylinder #1 misfire and I am having a hell of a time finding the cause. I can feel the misfire at idle, hear it in the exhaust, and am receiving a P0301 code. The following have been tested and accounted for...
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    How to test PCM output/wiring for injector?

    Hello, On my 98 4.0 I developed a misfire on cylinder 1, which gave the p0301 code as well as confirmed by pulling the injector connector on cyl1 to no change in engine idle. I have confirmed good spark on cyl 1 by grounding the plug out of the cylinder, good spark. I have swapped...
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