Q: What would cause 1st cylinder misfire, multiple misfire, all fuel injectors circuits open and o2 sensors heater circuit high on a 2008 Dodge Charger
Bought the car with the engine completly apart. The guy we bought it from said that he paid his mechanic 2 times to do the timing and he fail to do so. Also it had 2 ecu in the car( original and not) We built the engine in about 7 hrs replaced fuel injectors gaskets did the timing correct rewired the engine wire harness yadda yadda yadda. still we are getting 1st cylinder misfire fuel injectors circuit open on all injectors and all o2 sensors heater circuit high
What would cause this? Especially the first cylinder misfire?
My car has 153000 miles.
My car has an automatic transmission.
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