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International Automotive Technicians Network
GM 7.4 litre fuel pressure.
Posted to Technical Discussion Forum on 12/1/2002 9 Replies

Anyone seen this? We have a 1998 GMC pickup with a 454 injected engine that has an intermittent long crank time. We traced the problem to the fuel system not holding pressure on shut down. The pressure drops from 52 psi to near zero in a matter of 2 seconds. W... Login to read more.

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