Genuine Ford Fuel Regulators

Let us know by webchat or below methods if you can’t find the part you are looking for.

What is Ford Fuel Pressure Regulator?

A Ford Fuel Pressure Regulator is an OEM-calibrated diaphragm valve that maintains constant, engine-specific fuel pressure across the rail or return-line circuit. Mounted on the fuel rail (return-type systems) or integrated into the in-tank pump module (returnless systems), it bleeds excess fuel back to the tank or varies pump speed so injectors always see the precise delta pressure the ECU expects—critical for stoichiometric combustion, catalyst protection and drivability. Unlike generic aftermarket units, every genuine Ford regulator is leak-tested to ±1 kPa and pre-set to the exact flow curve mapped in Ford’s engine software.

Symptoms of a Failing Fuel Pressure Regulator

  • Black smoke / rich exhaust – ruptured diaphragm leaks unmetered fuel into the manifold via vacuum reference line.
  • Long crank, hard hot-restart – valve seat worn; rail pressure bleeds down overnight.
  • Rough idle, surging RPM – regulator oscillation causes 5–10 bar pressure swings.
  • Check-engine light P0172 (system too rich bank 1) combined with fuel trim –25 %.
  • Fuel odour from vacuum hose – raw petrol in the line to the intake is a definitive fail.
  • Poor fuel economy & catalyst sulphur smell – over-fuelling overheats the cat, risking P0420 code.

Safety note: excessive fuel pressure can rupture injectors or high-pressure pump—diagnose with a calibrated gauge and replace only with genuine Ford regulators to protect the entire fuel system.

Explore Our Range of Genuine Ford Fuel Regulators

Jefferson Ford Parts stocks every Ford-approved regulator for every major Ford models. Explore our ranger of genuine Ford fuel pressure regulators. If you can’t find the part you want at our online store, reach out to us via call, email or live chat. Our parts specialists will help you source the parts you need.