what controls how long the fuel pump runs when first starting a 2000 ram 5.9 diesel

Asked by Apr 29, 2017 at 12:18 PM about the 2000 Dodge Ram 2500 2 Dr ST 4WD Standard Cab LB

Question type: General

fuel pump only runs a second and stops when key is turned on.  It will sometimes not run at all when cold until the engine is cranked over several times

1 Answer

69,505

The computer (PCM) controls the fuel pump. If the engine is not running or it stalls the fuel pump will only run for about 5 seconds. HTH. -Jim

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