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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

need help i got 460 problems?

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Old May 25, 2010 | 09:18 AM
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need help i got 460 problems?

i have a 1997 f250 hd 7.5L automatic 4x4, when i bought the truck it had a k&n air filter. i bought a socalled chip that is supposed to hook up to the mass air flow sensor but, i cant find the maf sensor no where nor where the plug should be. can you run this model without this or did it even have one?
i will say the truck on one tank will really perform good but bad gas milage, the other tank is hard to start when cold and spitts and sputters under a load if you try to take off fast, but gets decent gas milage.Any thoughts on whats going on with my truck would greatly be appreciated......
 
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Old May 25, 2010 | 09:30 AM
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From: Easton,Ks
Unless it was a California Truck it never had a MAF sensor.
You have a MAP sensor instead.
And get rid of the K&N air filter.
 
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Old May 25, 2010 | 09:34 AM
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thank you, where would the map sensor be?
 
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Old May 25, 2010 | 09:36 AM
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From: Easton,Ks
Top RH side of safety wall.

It is at A4 in this diagram.


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