Hi,
I have a well similar problem as mick1960.
Rover 75 cdti, saloon, automatic, 2004, 80.000 mls.
The engine is knocking, the idle is rough. The rev is bouncing up and down between 600-750.
When I put the car in D or R the whole car is shaking for a second or two and the knocking noise comes. If I put the it back to P or N the knocking disappears, but the rough idle is still there.
When I`m driving the knocking disappears above 1800-2000 rev in 1st and 2nd gear and it disappears in 3 4 5 because the speed is a bit higher even the rev is low.
When I have to brake, just before I stop -the car goes very slowly- the rev drops down to 400-500 for a second and the car is shaking but the rev goes back straight to the 600-750 rough idle.
This is always happening when the engine is hot. It is not happening with cold engine.
The performance of the car is good. No smoke, no power loss, kickdown is good.
I think Ron is right but I would located the problem first rather than start to spending my fortune on the car.
Any help appreciated.
Thank you
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