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Old 10-28-2017, 08:49 PM   #21
95 S_Trucker
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Join Date: Oct 2009
Location: Lancaster, PA
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Re: 2004 Vortec 5.3 Oil Pressure Sending Unit?

And depressurize the fuel system. Remove the fuel cap and the fuel pump relay. Attempt to start the truck. Crank it a few more times. Use a rag to catch fuel when you unhook the line. Like previously stated, use the fuel line disconnect tool.
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