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Lower MPG

Old 03-30-2019, 09:29 AM
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Default Lower MPG

I recently had to put a new computer in my '98 F150, 5.4L, V8.
I was getting 13-14 mpg City.
I' m now getting 10.
The computer was the correct part number according to the sticker and, supposedly, came programmed for this truck.
Should I take this somewhere and have the programming checked?
kareengas is offline  

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