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Re: GM TBI ECU #1228746 No Injector Pulse
Posted to Technical Discussion Forum on 12/30/2018 1 Reply

[1995 Chevrolet C1500 Cheyenne, ECM/Inputs/Outputs Waveform]

CH A Distributor Reference cranking to start from 121mv to 6v

CH C EST cranking at 840mv and running voltage at 4.1v

CH B REF LO cranking at 274mv

CH D Bypass cranking at 371mv and running at... Login to read more.

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