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Open the fuel filler door and remove the gas cap. Listen at that location while someone turns on the ignition without starting the engine. You should hear the pump run for a few seconds and then shut down. If you hear nothing then either the fuse is blown or the relay is defective. But even if it does run it may not be pumping any fuel. A fuel pressure test at the fuel rail with a FP gauge will verify if it is pumping. Also a clogged fuel filter will cause the engine to not run.
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