Hear thump after key is turned on, but engine fails to start.

Asked by Chanhans Dec 23, 2020 at 08:35 PM about the 1998 Ford Expedition 4 Dr Eddie Bauer 4WD SUV

Question type: Maintenance & Repair

Engine starts and runs after priming with gas, until prime gas is gone.
Inertia switch checked and is okay.
Key turned on, after a moment delay a thump is heard from fuel pump.

40,005

beatupchevy answered 3 years ago

check for proper fuel pressure , power and ground at the pump

Mark helpful

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Hear thump after key is turned on, but engine fails to start. 1 Answer

Engine starts and runs after priming with gas, until prime gas is gone. Inertia switch checked and is okay. Key turned on, after a moment delay a thump is heard from fuel pump.

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Hear thump after key is turned on, but engine fails to start.

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Hear thump after key is turned on, but engine fails to start.

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