I pulled the 454 from a 92 gmc 2500 with a manuel trans. I have the whole engine wiring harness with a 1228747 ecm. I am able to crank the engine but can only fire if I spray gas in it. I can just the injectors to fire but the ecm isn't firing them. Any help would be great
going to try to change the distributor tomorrow. had people say they fought problems like this just to find out it had a weak signal coming from it
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