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    Engine Cut off Issue

    Having this weird engine cut off issue. I will be driving and then the engine will cut off randomly and if I mash the gas I can keep it alive. When this happens the CEL comes on briefly. This will happen through all of the revs. I have replaced the Main Relay, CPS(3k miles ago) and fuel relay . The only code it is giving me is 1223 (coolant sensor) but i dont understand how that could be causing the car to do that. I looked for any vacuum leaks and found nothing.

    Also the fuel pump is a bit loud but it does not seem like its doing anything weird.

    Any ideas ?

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    #2
    Im not sure that the ECT sensor could cause this problem, but I'd certainly check to sensor to see if is okay. If the sensor is okay I'd ohm out that circuit. If those tests don't indicate a problem I'd suspect either a bad DME or a bad engine wiring harness.
    The car makes it possible, but the driver makes it happen.
    Jim Levie, Huntsville, AL

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      #3
      Alright, also noticing that it seems to happen going uphill or down hill ? But I also when it happens RPMS just drop hardcore, everything else stays the same.

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        #4
        Fixed it.

        It ended up being the round connector under the intake manifold, It was just a bit loose and opened it up to find the pins corroded. I sprayed some QD contact cleaner and cleaned out the pins, reconnected and fixed the problem.

        Thanks for the help!

        My Build

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