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open loop

  1. OldGregg

    ECMlink Switch from closed to open loop causing misfire

    Hey guys, I’ve got an odd misfire P0304 that only happens on the switch from closed to open loop at idle after getting to operating temp. I’ve already ran through the list of normal misfire troubleshooting- check plugs, swap plugs, check wires, swap wires, replace coils, swap injectors, etc...
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