Warranty: This genuine part is guaranteed by Mazda's
factory warranty.
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Fits the following 2003 Mazda Protege Submodels:
DX, ES, LX, Mazdaspeed, MP3 | 4 Cyl 1.6 L GAS, 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS
2003 Mazda Protege Fuel Pump Parts and Q&A
Q: How to check the fuel pump operation and perform related diagnostics on 2003 Mazda Protege?
A: Check fuel pump by jumping diagnostic F/P to GND, removing filler cap, and switching ignition ON; listen, test pump voltage, inspect fuse, relays and continuity, and repair or replace pump if faulty. Install pressure gauge, energize pump, compare pressures, test return line and regulator with vacuum, relieve pressure if needed.