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

EFI or MFI?

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Nov 17, 2006 | 11:00 PM

#1

Shanemh

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Joined: Aug 2006

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From: San Mateo

Question

EFI or MFI?

Whats the difference between EFI and MFI. I keep finding products for 1995 5.8 V8 F150s but mine is 1996 truck. Is it something to do with EFI and MFI? Thanks, Shane.

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Old

Nov 17, 2006 | 11:12 PM

#2

eco

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Joined: Jan 2006

Posts: 1,263

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From: The dark carnival

EFI = Electronic fuel injection.

Not sure about MFI. It's probably either multi-point fuel injection or some abreviation that has something to do with mass airflow or Mazda's engine control system that Ford was using.

What are you trying to do???????????

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Nov 18, 2006 | 01:02 AM

#3

EPNCSU2006

Lead Driver

Joined: Nov 2002

Posts: 9,557

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From: Concord, NC

96 was the first year for OBD-II, which is the reason for the difference. Your 96 is SEFI for sequential multipoint EFI.

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beteew, differants, difference, efi, engines, f150, ford, mfi

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