you have to have a high flowing afpr to run the 255lph walbro.... oterwise it will overrun your factory regulator.
just get a 190lph. its good to over 350hp. and won't overrun your factor regulator.
to test the fuel pump youhave to get to the fuel pump check terminal.. and connect it to a 12v source.
its located losely wrapped into the wiring loom under the evap and egr solenoids on the firewall.
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