1996 300 Tdi- with 89,000 miles FSH- I noticed on a drive out yesterday that the rev counter needle is dancing between 1,000 rpm and 3,000 rmp with the vehicle doing a constant 60 mph :eek: :eek:
When Idling it jumps between 700 rmp to just over the 1,200 rmp mark - the engine I might is...