Quote:
Originally Posted by V
Those numbers seem good. I think that's only 8 or 9% variation.
A thread I just read on a chevy truck forum had a similar issue which turned out to be the pin in the harness to the ecm was bent and/or pushed back just enough to not make good contact. Once pin was corrected, truck ran great. Worth taking a look.
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I traced both the #3 injector and coil wires back to the ECM, both were unbroken and seemed good. Really impossible to see into the pin holes on the EMC side, they so small lol