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Kenton

Kenton 6/30/2022

1999 Ford Ranger XLT 6 Cyl 4.00L

Engine

Long Start with Low Fuel pressure

I have a 2 second longer Start. The pressure when the key is on but not running drops to 0 after 2 seconds. After starting it, it is in the normal range of 56psi. When turned off it drops to 0 after 3 seconds. The Fuel injectors are not leaking, the fuel damper has suction. The truck also has a new fuel filter.

1 Answer


Jimm

Jimm 7/1/2022

Check the following items; fuel pressure regulator, fuel pump (outlet pressure) PSI to the engine.

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