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Re: GM TBI ECU #1228746 No Injector Pulse
Posted to Technical Discussion Forum on 12/28/2018 1 Reply



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Fair enough. I checked Vref at ECU pin C14, ckt 416. It was so close to 5.0V that I didn't record it; it would not bother me at 4.9 or 5.1, would that concern you? Vref supplies only TPS and MAP se... Login to read more.

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