I have a 2000 Ford F-150 Harley Davidson Edition 110K miles - Engine makes a "whining" noise when I accelerate. Also, around 30-40 MPH shift from 1st to 2nd gear the engine revs up as if it is slipping and when I let go of the gas it catches. Any insight on this problem would be greatly appreciated.
Thanks for your input. Unfortunately, the truck is not supercharged. 2000 models do not have a supercharger.