DaveP said:Put your foot to the floor.
ECM enters "clear flood mode" at about 3.0 volts, TPS. No injector pulses. Most GM ECMs behave this way. Try it.
TwinTurboV8Ty said::tup: :werd:
I agree.
Option 2 would be to unplug the injector harness back near distributor.
MRKING said:Unplug the 1 main injector harness connector behind the fpr . The 1-6 pigtail .