Hi , Need help my 2005 2.8 CRD as engine light on all the time on dash tried code reading by pressing trip button for 10 seconds then switching ignition on /off 3 times as suggested on internet but nothing showed up so tried with a code reader into the port again no fault codes found This last few days it has twice now lost nearly all power and crawled along untill stopped switch off for a while then re-start and runs ok, with no codes showing i dont know what the fault is, Any ideas/advice welcome Thanks Dave