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88mj over fueling?


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88 Comanche 4.0 auto (Cruiser's tips completed)

 

Going home last night, my Comanche started to bog down, I gave it more skinny pedal, and then the muffler exploded. It started back up and would idle for a few seconds then died. Wouldn't restart.

 

Got it home and it started back up after I cranked at WOT to clear fuel out of cylinders. It idled for a few seconds and died. The exhaust smelled like raw fuel.

 

What could have crapped out to cause an over fueling issue? It was late, and I didn't pull a plug to check for fouling. I don't think that it is the CPS, because I wouldn't think that it would even start if it was bad. Could the coolant sensor in the block cause this issue, I know that it adjusts the pulse widths on the injectors, but would it be enough to completely foul out? MAT/MAP effect it in this way as well?

 

Any help would be appreciated! Thanks!

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