I have a 2012 Jetta 6 speed manual I just picked up ... runs and drives great. I noticed going down the road in 6th gear going 70 is 2800 RPM. Then realized on the dash it says I was in 4th. the 1st is 1st gear. Second is second. 3third is 4th. And 4th is 6th according to the indicator. But when I go through all 6 gears it seems to be going through all of them.... so what should the RPMs be going down the road on a Tdi 6spd going 70mph. What causes the shifting to be all out of whack. Also the shifter seems pretty sloppy. Thanks in advance.