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International Automotive Technicians Network
Re: 99 CHEVY TAHOE
Posted to Technical Discussion Forum on 6/14/2023 1 Reply

From Memory wasnt the oil pressure switch or the crank sensor signal tied to fuel pump operation.

Needs near spec fuel pressure to run, No spark and No Fuel check for damaged CKP wiring.

No FP only check C301 for failed wires

Since it ran, and assuming r... Login to read more.

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