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Showing results for tags 'crank no-start'.
Fuel Pump Relay Diagnostics If you are looking up information on the Fuel Pump Relay (FPR) then chances are that you have a crank no-start condition and are attempting to diagnose the culprit. The FPR could indeed be the culprit so in an effort to help your diagnosis I'm bringing you the information the best way I know how... in a video. This video will help all 1993-2002 Mazda 626 owners. I go over the 4th and 5th gen FPR. The fuel pump relay is what provides power to the fuel pump. No power to the fuel pump means no fuel to the injectors. Tools Required: 2 lengths of wire Multimeter