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code p0470 no power and top speed of 45
hey trucks been sitting almost a year in a barn while i was doin body work and some other work. got the truck back on the road a month ago and no power 1st gear fine then after the truck really winds out goes close to 2500rpm before shifts to 3rd and shifts hard and in 3rd 45 mph is fast as itll go, I thought tranny issues so i had a shop look at it and they said tranny fine when it was on lift shifted gears fine underload off the rack wouldnt shift gears the ran diagnostic machine on it and came back with these codes p1248 p0470
turbo seems to be spoiling fine please any input would help thanks
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