okay my truck has 84000 miles on it and when i get on it the turbo doent spool til about 2100 RPM so idk what its deal is its just really sluggish... it is stock and turning 37s but it should still go right?

 

Check for error codes? Cheeck your fuel pressure?

What you got for fueling mods if any?

Wastegate stuck? (What kind of boost pressure do you see?)

 

a super dirty air filter can cause that

 

Dirty Filters, Fuel Problem, leaking manifold (excessive noise and soot under-hood as well), leaking intercooler or tubes, wastegate stuck open a little

What are your EGT's like? If they are low,most likely its a fuel problem, if they are high, most likely its an air problem.

 

What does your boost guage say?

 

That one way to look at it...

Also do you have a lot of black somke? (Boost problem) Or not? (fuel Problem)

 

egts run kida hot FP is running 19 PSI dont have boost guage.... yet...i have a fass pump on it. and no soot under the hood