2011-2014 Mustang GT 5.0L Production Fuel-Pump Module, FPCM and Pressure/No-Start Diagnosis

OFFICIAL CURRENT ENDPOINTS: CR3Z-9H307-B / PFS-952 for the pump module and BR3Z-9D372-C for the FPCM. The captured current Ford pages did not display predecessor links. Seller catalogs index BR3Z-9H307-B and CR3Z-9H307-A against current CR3Z-9H307-B, older Motorcraft PFS-932/PFS-577 against PFS-952, and BR3Z-9D372-B against current BR3Z-9D372-C; retain those only as discovery cross-references until a live VIN-aware Ford catalog confirms them. Do not publish a seller-derived predecessor as a formal Ford supersession. No supersession is asserted for 4L3Z-9276-AA or 4L2Z-9C385-AA, and no chain waives VIN, build, installed-label, connector-keying or stock-calibration verification.

Ford's 2014 Mustang service material identifies the 3.7L/5.0L production system as MRFS, places the pressure-supplying pump module in the LH tank saddle and specifies one FPCM on the driver's side of the spare-tire stowage compartment; the 5.8L dual-FPCM architecture is not this GT 5.0L system. The checked 2014 factory pressure reference is 350-415 kPa (51-60 psi) KOEO and KOER; use the VIN/year-specific Ford workshop manual for 2011-2013 instead of silently projecting that 2014 number backward. For a crank/no-start or low-pressure concern, retrieve all DTCs and data first, verify fuel quality/quantity and collision shut-off state, then use current Ford PC/ED and the correct wiring diagram to check power supply, FPCM B+/ground under load, PCM command and FPM feedback, C4033/C433 terminal condition, loaded voltage drop, pump current, pressure and volume before condemning either module. The Ford 2014 OBD summary describes MRFS checks including P025A, P025B, P0627 and U0109, but code presence/application must be confirmed in current VIN-specific service information. Do not jumper or bypass the FPCM, apply battery power with improvised leads, or probe fuel circuits with an incandescent test light. C4033, C433 and 14A464 are connector/circuit callouts, not enough to order a pigtail: match VIN/build, installed housing/engineering marks, cavity count, keying, terminal size, wire gauge and heat/fuel damage. Before opening the tank, relieve residual pressure using the Ford procedure, disconnect battery ground, control fuel/spillage and ignition sources, clean the flange area, discard the old O-ring, install a new correct seal, align the module tabs, inspect the lock ring and flange for damage/corrosion, and leak-check after key cycling and while running. Route gauge, level-sender or cross-saddle transfer complaints to S197-0024 rather than replacing this pump/FPCM by symptom alone.

Keep this page to stock-capacity, stock-calibration OE or documented direct-replacement pump modules and the exact production FPCM service path. A complete pump-module listing may include the integral filter and level hardware, but this page does not select or diagnose fuel-level parts. Confirm whether a new tank O-ring is included; otherwise order the verified seal separately, and inspect rather than assume the retaining ring is reusable. Generic pump motors, wiring adapters, return conversions, boost-a-pump devices, dual/triple-pump hats and high-flow/racing systems require different electrical, calibration and safety decisions and are excluded. A used module is contamination-, storage-, wear- and connector-sensitive; require the full part/engineering label, 5.0L GT donor VIN/build, actual photos, clean inlet/connector/flange condition, functional test, mileage, return warranty and exact included contents.

US/LHD factory naturally aspirated 2011-2014 Mustang GT 5.0L only; exclude V6, Boss, GT500, swaps, forced induction, return conversions and pump upgrades. The production 5.0L system is MRFS with one FPCM and an LH primary pump module. Match VIN/build and installed labels before buying CR3Z-9H307-B or BR3Z-9D372-C, and match connector housing/keying rather than ordering from C4033/C433/14A464 callouts alone. The 51-60 psi KOEO/KOER value is a checked 2014 Ford reference; consult year-specific service information for 2011-2013. Diagnose DTCs, command/feedback, power/ground under load, connector condition, voltage drop, pump current, pressure and volume before replacement; never bypass or hot-wire the FPCM. Fuel remains pressurized with the engine off: qualified service must relieve pressure, disconnect battery ground, eliminate ignition sources, use a new correct O-ring, inspect the ring/flange and leak-check. Fuel-level and saddle-transfer selection belongs to S197-0024.

Supersede reviewed 20 unique research sources for this guide. 5 also appear above as a seller or official action and are not repeated here; 15 additional citations follow.

Research last verified 2026-07-28.

1. Ford Service Information — 11musog1eOpen source
2. Ford Service Information — 14musom1eOpen source
3. Ford Service Information — OBDSM1404Open source
4. Ford — fuel pump and sender assembly p4000142772Open source
5. Ford — engine fuel module p4000132399Open source
6. Ford — fuel pump gasket p4000010372Open source
7. Ford — fuel tank sending unit lock ring p4000072728Open source
8. Latemodel cachefly — tsb10 21 03Open source
9. Reichwein — seba0002Open source
10. Reichwein — seba0001Open source
11. Reichwein — seba0004Open source
12. Reichwein — seba0005Open source
13. Reichwein — seba1009Open source
14. Reichwein — seb34b05Open source
15. Reichwein — Electronic Engine Controls 5.0LOpen source