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1987 - 1996 F150 & Larger F-Series Trucks
Fuel pump issues

1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Fuel pump issues

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Today | 03:04 PM

#1

mbooth236

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Joined: May 2026

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Fuel pump issues

Hello everyone, I recently changed the front fuel pump in my 1990 f150. I did make sure to swap over the check valve from the old pump but I’m having issues with sputtering at idle and during acceleration. Everything functions normally as soon as I swap to the rear tank so I’m just looking for some ideas before dropping the tank again…
Thanks guys!

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