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To confirm fuse pump is working, apply direct 12 volt power to the fuel pump connector and see/.If the pump works then problem is relay.If relay replaced, still the same prtoblem, then its ECU.It has to be replaced.Also check the MFI relay.Its called ASD relay.ASD means( AUTO SHUT DOWN)
The ASD = MFI relay. When it goes bad or say doesn't get a signal from the crank sensor, it shuts the fuel pump, coil, and injectors down. Causes too many headaches.
