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yep check for power to the injector, the red i believe is constant and the other color is the pulsating signal. it could also be the injector harness, try and wiggle it around on the injector and pull and tug on the wire going into the injector clip. if that doesnt work try and put constant power the red wire and jump a pulsating signal from another injector to see if it runs any differently. if it does then its most likely your injector harness. otherwise try and check your ground wire for your injectors, i believe its the one on the front pass side of the head. i dont remember correctly but try and shake it around or reground it. lastly if all else fails, shake all your wires in that loom which runs along the head and see if that changes anything. if it does, then u got a short or cracked wire somewhere.
if all else fails your ecu is bad.
make sure u have spark too
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