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

Maf or sd

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May 20, 2011 | 07:25 PM

#1

Slowroll90

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Mountain Pass

Joined: Sep 2010

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Maf or sd

Mass air flow or speed density
Forgive my ignorance folks but how do I tell which I have?

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Old

May 20, 2011 | 08:03 PM

#2

SomeDude451

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Joined: Aug 2005

Posts: 75

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If there's an electrical connector that sticks into the intake tubing, you have MAF. If not, you're SD. Also, if you inform of what year truck you have it'd be easier to tell what should be there.

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May 20, 2011 | 09:24 PM

#3

Slowroll90

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Mountain Pass

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94 302 efi
there is a plug connector i assumed was the maf sensor just aft of the airbox but all this talk of speed density stuff got me second guessing myself

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Old

May 20, 2011 | 10:42 PM

#4

Conanski

FTE Legend

Joined: Jun 2006

Posts: 31,930

Likes: 1,499

From: Ottawa, Ontario

If it doesn't look like the pic below you have SD.

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