Originally Posted by
Jonny Mercer
I recently bought a 1.8 TDCi 07 with 71,000 miles on the clock and I'm pretty sure something isn't quite right with it. I reset all the computer when I got it and I seem to be getting only 33.2 mpg average and around 400 miles from a full tank from mixed driving. There are no lights on the dashboard but I plugged a code reader in and found 2 codes in the ECU; P0299 - Powertrain & U0423 - Network. I don't know if these are contributing to the problem or just old codes that have never been removed.
Any ideas guys?
Hi Jonny I have the same issues as you I believe geting around 35mpg and very sluggish low down in the revs although seam fine at everything else my car is a 2009 1.8tdci with 70000 I jst thought that's how the were until I drove my mother in laws 55plate 1.8tdci what has 110000+ on the clock and it had bags of power and does 50-55mpg
Really need to fine out the issue as there is clearly something funny goin on I will keep you posted if I find anything please do the same thank adrian