I hope somone can help here because im stummped!! weve had a 300 tdi discovery come in with a missfire, it does somtime struggle to start with loads of white smoke just as though the plugs are not working, but they are all fine. when it is running tickover seems ok but as soon as you go to rev...

hi, check the bottom sprocket on the cam belt, the keyway wears and at sertain rpms the timing goes out and pours blue smoke out, a realy comon problem with these we have at least 3 or 4 a month in that have this problem. hope this helps let me know.

I hope somone can help here because im stummped!! weve had a 300 tdi discovery come in with a missfire, it does somtime struggle to start with loads of white smoke just as though the plugs are not working, but they are all fine. when it is running tickover seems ok but as soon as you go to rev...