my freelander van has always smoed now and aghain on start up i just put that to me sumtimes not letting the glow plugs warm up, but now it wont smoke if i rev the engine when stationary but if moving dow the road when i heare the turbo whistle(just starting to come in) then the is a bit of smoke if i floor the car theres alot more smoke checked oil and levels are ok any idears? altought there was some oil ontop of the engine but this coulda happend when it had an oil change 3months ago, many thanks JP