Mats1985

Put the new turbo on 2day built it all back up and started it for the first time in months now on tick over the rev counter hovers around 2500 - 3000 an when you rev it it goes down not up settles around 1000 for a second then goes back up to 2500-3000 again when it's obviously not revving that hard what could this be

Piston Broke

The rev counters F##k up on them for fun mate, easy to change if you find one, i have gone through 4 in 3 years on one of my cars lol

slammedorion

Mfi and Efi rev counters read different...
So when your looking for a replacement make sure you get the right one...

Mats1985

It was my battery being fucked so changed that now rev counter is wrking fine