i got my truck back from the shop they replaced the #5 injector bc the tip broke but when i drive now it still has a miss and wont rev up all the way like its not wot. in od i floor it get just past 2k rpm gain speed from 70 mph really slowly and my boost goes down and not getting max boost either. could timeing do that or what is it? i checked throttle linkage and it travels full

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any one? he said he adjusted the kick down cable would that affect any thing beside shifting?

 

Sounds like the boost controller is unhooked, If the boost goes down. Had it happen before and the waste gate was staying open.

 

i have a boost elbow and i closed it all the way