Can anybody help please?
My S-Type diesel fires up first time every morning but then settles to a very lumpy idle and is not keen on revving. There are no warning lights. Produces white fumes from the exhaust which I believe are the result of unburnt diesel being ejected from the exhausts. This happens even if I switch the ignition on several times to make the golw plugs operate before firing the engine.
Within 5 minutes, this settles down and the engine runs sweet as a nut.
Re-starting any time afterwards after say, a few hours and it runs exactly as it should.
Any ideas o