Right, here is the deal.

Bought the car (B230FT/M46, 272k miles) a few months ago and the engine smoked enormous amounts, mostly at lower revs. Trying to figure out what it was, I removed all hoses between airbox and turbo and intercooler and turbo, they were oil filled and so was the airbox. Cleaning this out helped a lot, now what I was then told was that here was an old turbo with seals letting oil through and that I shoudl see a high oil consumption. I do not have this. The engine has now had a major service with spark plugs, HT leads, oil, oilfilter, dizzy cap, rotor and belts. Now the engine does not smoke at start up, smokes a fair amount, but less than before, when getting hotter and this only from idle (steadily at 800 rpm) to around 2000-2500 rpm, above that there is very little smoke indeed. The exhausts do smell badly and sometimes there is a little bit of fuel on the ground by the exhaust end. What are we talking about here, why this smoke and rich running?

George

whoa- slow down. you have some contradicting/too much info....

Simple:

Exactly what color is the smoke?

Running rich, black smoke?
Burning oil blue-ish tint smoke?
Water/coolant? Funky smell, white smoke?

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http://www.fidalgo.net/~brook4/oilslubesfilters.html

Well, I should clarify and add. When engine is warm (or at least just have been running, then the smoke is there from start up and the warmer the engine, the more the smoke and the further up the revs it goes). This is just on the drive with handbrake in and gearbox in neutral. There is a smell of fuel, I though. The smoke is greyish or white, neither black nor blue and increases with revs.

George