GMC 5.7 no start with bypass plugged in

Asked by Gavin May 20, 2018 at 01:03 PM about the 1991 GMC Sierra 1500 C1500 SLX Extended Cab SB

Question type: Maintenance & Repair

If I have the bypass unplugged and set at base
timing, truck starts and idles great. I plugged it in,
truck fires but dies immediately.

1 Answer

Your Answer:

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