Holley 525 PLH fuel pump module features: 6061-T6 Aluminum fuel pump module with a 525 LPH (liters per hour) Sniper pump assembly drops into stock EFI fuel tank on select vehicles 6AN O-ring outlet and. I did replace the MAF sensor recently when vehicle began rough-idling and stalling. Kit includes assembled module, a new filter sock, flange O-ring, and the lock ring to help complete installation into stock fuel tanks. No tune-up ever, all original engine equipment including fuel and ignition systems components. 2003 Ford Explorer Sport Trac Fuel Pressure Regulator. He also recommended replacing fuel pump and fuel filter. Get the best deals on an aftermarket 2003 Ford Explorer Sport Trac Fuel Pump.
Took the vehicle to mechanic who diagnosed fuel system condition, checked fuel pump pressure (5 psi too low), checked rail pressure (10 psi too high), took vacuum line off the "fuel pressure regulator" at front of rail, pressure is meant to drop by about 10 psi, did not change without vacuum, which lead to diagnosis of faulty fuel pressure regulator. 2004 Ford Explorer TSBs (Technical Service Bulletins) from the NHTSA Vehicle started and ran fine until one morning it just would not turn over 4 Si in 1994 and the Ford Escort in 1994 Your favorite DIY home mechanic diagnosing a No Crank No Start on a 2002 Ford Focus Fuel pump hums (primes) when turned over Fuel pump hums (primes) when turned over.
Trouble code read "high fuel pressure", "running rich bank 1 and 2", don't remember the code.