just bought truck yesterday, has kinda prolonged crank to start, runs ok until warmed up and in gas hard, then it spark knocks bad and actually boggs a little if hit gas hard, had a p0171 cleared that after these parts>>> plugs and wires, motorcraft platinums, warner wires best my part store had, fuel filter, seafoam in tank as well as injector cleaner and a can of heet, no noticeable vac leaks, just runs poorly when on hill on interstate, also a note here.... when cold it doesnt do none this, also i checked the maf looks fine, new air filter as well, kinda stumped here ???

 

appreciate all the help on this forum, 5000 views no replys, lmao, anyways new maf cured it !!!!!, guess ill try another forum next time

 

5000 views? There are 68 right now.

 

/wave