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Power Strokes
7.3 Tech
Surging and bucking while driving
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[QUOTE="ghohouston, post: 1482035, member: 9421"] Several things possible. Cps would be the first thing. On my obs, i had the exact same jerking/bucking, and eventually found out my selector valve failed between the front and rear position, and not really letting any fuel past it, up to the fuel pump or injectors. It would idle fine, and run okay with partial throttle, but full throttle in the higher gears, it would buck and or die. I would definitely check fuel pressure under a load. And of course, could be tps related too. Have ypu scanned for codes? [/QUOTE]
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