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Air Flow #/Min and Back Pressure Code

The mods on my truck are listed in my signature.

The issue I'm having is that my Air Flow #/Min is pegging out at 100 with a 1/4 way down on the throttle. As my truck is a bit cold and I'm driving it up a hill at 20-25 MPH, my truck engine will bog down. I look down at the Air Flow and it's pegged out at 100.

I previously had a back pressure code thrown, but is gone now after I reprogrammed. Think it was a P0470....

Heres a quick video to show:

2006 F-350 Air Flow / Back Pressure - YouTube

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