No Powa! on 2005 Volkswagen Jetta TDI

I've lost that loving feelin' between the gas pedal and acceleration. Also, it shifts pretty hard,(fluid levels are good) Any maintenance suggestions or tweaks!?

Asked by for the 2005 Volkswagen Jetta TDI
You may have a Check Engine Light on yes? I have found that the VW TDi wear out their Mass Air Flow Sensor, but please have the system properly inspected.
As for maintenance check our estimate section: