my ldv 400 hunts up and down and puffs out smoke when it idles on constant rev it seems ok ( no smoke)

steven, December 2007

had the same problem with our ldv 400 motorhome when we started it up it loked as though it was like being next to jack the ripper in the london smog had it in to garage and found out that the fuel pump was cracked inside between the high pressure and low pressure chamber and had to have it to lucas for refurbing. runs brill now and jack the ripper has gone. hope this helps.

jake, December 2007

could be drawing air into fuel system-possibly through filter head if it is one with hand primer on.

k, December 2007