Done a bit of a search on here and on my ebay supplied service disc and am still left scratching my head....
When we got the first bit of cold weather my car struggled to start, and when it finally did, it idled a bit irractically and displayed the injection fault light. I then switced it off again and then back on and the fault dissapeared (using the same logic as when you have a problem wit your pc!)
Now over the last few days it has got a bit worse to the point where it now effects the gear change on the Q-system and the idling is all over the place. The ignition fault light has also changed from being on permantly to only being on for about 30 sec then leaving the other fault light on (the one that looks a car with the bonnet up). It also will not sort itself out if i swith it on and off again.
During this week I have notcied that my exhaust is blowing by the small rear silencer before the back box, and was wondering if this could be linked.
I have done a search on here and followed some of the advice, and my air flow sensor was replaced 4 months ago, if the cam belt has jumped it would have happened instantly rather than being progressive? and the throttle is clean.
This points to the LAMDA sensor, does anyone know if this can be tested without taking it for a diagnostic test? Or any other suggestions that could be causing the problem?
Any help would be appreciated, thanks
PS, i forgot to say, its a 2.5l V6 W Reg/2000