myszon23 wrote: 01 Feb 2018, 12:46 My C5 story is quite long already. Since I’ve brought it I had Depollution System Fault x 2 after around 5 hours on motorway (?).
Tyre pressure system can’t see winter wheel set. Synchro on 4th gear is gone (covert by guarantee, dealer is fixing it as we speak)
And cherry on top- I found metal shavings in fuel filter.
Reason why I’m looking for diagnostics is to check myself what is wrong before I pass it to be fixed. Obviously after checking on forum first ?
Also I like to solve problems myself if possible like add new wheels to TPS or check FAP filter.
The anti pollution fault may be related to the regeneration problems if it hasn't had a chance to clear the filter - depending on soot level. If it is too full because of continued lack of regeneration, it may be over 70% full and may need deep cleaning. A motorway burn up won’t make any difference if it is this full. But the car should of gone into reduced performance mode if this is the cause.
As for the tyres, the system is perfectly capable of detecting winter tyres so long as they are also fitted with TPMS sensors AND have been programmed.