Question about 1993 GMC Sierra
Fuel pump has been replaced and Fuel in Gas tank bur fuel not reaching injectors.
Did you replace the fuel filter when you changed the fuel pump if not that's your problem more than likely
Posted on Jun 18, 2014
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Posted on Jan 02, 2017
take line off before filter see if gas is coming out at time of key engagement, if not its fuel pump.if yes then reconect and disconnect on outlet side of fuel filter this will tell you if filter is clogged
Posted on Jul 26, 2009
Try this. Check the fuel inertia switch. Should be locatedi n the rear in a pane, fuel tank side and not far from the fuel tank. If you have an owners manual, it's instructions are in there.l. Pull to reset. Good luck -Ned-
Posted on Sep 19, 2009
SOURCE: my 1993 GMC Sierra Z71
Hi, that's possible but first check the ECM fuse and use a test light to check for power to the injectors on the red and white wires. The computer uses a number of sensor inputs to calculate the injector signals required. If these signals are not available, the computer cannot send the appropriate injection metering signal and will usually set the engine light. Is the engine light on?
Posted on Mar 27, 2011
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