My truck surges or loses speed when you mash the gas pedal above 55mph
What is your question?
7.4l 5 speed when I'm going down the road loaded or not after 55 mph when you give it gas you can feel the truck slow do
wn and feel it pick up when you lift the pedal
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Have already changed the filter twice just to make sure
Test fuel pressure with test gauge!.. Good luck.
Thanks I'll check it tomorrow
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