Nashs work focuses on American life, travel and the music industry. References Northern Auto Parts: Dorman 6.5L Fuel Pump Drive Module Writer Bio John Cagney Nash began composing press releases and event reviews for British nightclubs in 1982. Running a standard module can result in overheating - the standard fuel pump asks too much of the module, and its electronics overheat - so the internal limiter shuts the control process down.Īlthough the module should resume function when it cools to a safe temperature, the sudden cessation of fuel flow to a full-revving engine can have catastrophic effects. Modified Engines Vehicles with modified engines that need more fuel than is standard, such as race cars and tuned-up street cars, require modified FPDMs. An error occurred while consolidating disks msgdisklibinvalįailure can normally be diagnosed electronically using a handheld scanner, with the model-specific code displayed that translates to the fuel-pump driver module. Symptoms of Failure Symptoms of a failing fuel-pump driver module all manifest in the performance of the engine.ĭifficulty in starting or a smoky start-up, stalling or uneven running while idling, hesitations and misses when driving, and power surges when in reverse can all - separately or together - be indicative of a failing module. Pairing the fuel-pump driver module with the incorrect fuel pump will also promote failure. In some model vehicles, such as General Motors vehicles made between 19, the failure rate has been almost total.Īftermarket units are available that use advanced electronics that create less heat, with an improved heat transfer pad to minimize retention of the heat. When first installed in the technologically advanced diesel engines of the mid-1990s, the modules were made from materials that were unable to handle their own high operating temperatures and the extreme vibration they were exposed to when functioning. That practice had the module mounted under seats or covered by carpet, which led to overheating problems.įailure The fuel-pump driver module is the most common part to fail in computerized diesel engines. Manufacturers, including Ford, initially placed the module inside the vehicle immediately above the fuel pump, typically just beneath the floor pan. Purpose The fuel-pump driver module controls the high-pressure fuel pumps of modern, computer-controlled, fuel-injected engines, including diesels. 2005 Ford Expedition Fuel Pump Module Location Driver Modules Works.
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