My uncle has a K-reg Mondeo 1.8 saloon. Gradually it has been losing power.
We had a look at the air filter to see if it was blocked, but it was clean.
All I know is that when driving along, you can put your foot down and it
really doesn't want to climb above 2500 revs. There's no power at all.
It's a similar feeling to when a clutch is on it's last legs.
With the bonnet open, and revving hard in neutral, a little white smoke
seems to be coming from the black plastic box on top of the engine (plenum
chamber, whatever that is). Although of course it could be coming from
below there. It also sounds really harsh (I don't know if this is par for