ray_vr6 1 Posted July 18, 2013 Been getting the very annoying 99.9 MPG reading foe a while now. Checked the usual suspects (vacuum pipe to cluster etc) but it was still happening. I took the pipe of the cluster again and started the engine with the pipe disconnected and there was suction. So I thought it might be the unit it connected to in the cluster and as I had a spare cluster I bought for the LCD display I dismantled the cluster (again!) and changed it and it now works! Quote Share this post Link to post Share on other sites
daleyboy 0 Posted July 18, 2013 It would have a diaphram which do perish with time...............good info though chap, glad you're sorted :thumbleft: Quote Share this post Link to post Share on other sites
ray_vr6 1 Posted July 19, 2013 Arghhh! - its back to 99.9 MPG today - Boxxcks!!!!!!!!!!!!!!!!!!!! Quote Share this post Link to post Share on other sites
EJ Taylor 22 Posted July 19, 2013 maybe your car is just very optimistic? does the petrol tank also read full all the time and the speed at 160? Quote Share this post Link to post Share on other sites
