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Showing results for tags 'fuel pump relay'.
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
My 94 Mazda 626 LX V6 has been having a problem where it suddenly quits while driving, usually after it warms up (10-15 miles) but more recently can happen anytime. Generally the engine RPMs suddenly drop to 0 on the tachometer and the car may continue to run with no warning lights for a few seconds but eventually the engine dies completely and the car stops. Occasionally can re-start by shifting to neutral while car is in motion then restarting, but usually not; car starts and runs fine after stopping, turning off, then re-starting but getting harder to re-start without letting it sit for a