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I’m looking for advice on a problem on my 2000 2.0l HDi. I have had the car for 2 ½ years and its covered 73000 miles from new…I have added 20000 of that. The problem only occurs at high speed/revs…in excess of 80 mph which I only do very rarely. After I have slowed down I can smell diesel fumes and when stopped I can smell it when I open the bonnet but there does not appear to be any leaks. There are no other symptoms and the car runs fine all the time. Does the fuel pressure at the injectors increase with high speed? If so maybe there could be a fine mist spraying somewhere.

Worth inspecting the leak-off pipes - a series of short hoses that connect between the injectors, then to a union near the fuel filter.

the exhaust can rust easy, ive seen it on my own and other hdi exhausts a wee bit of rust is all it takes for a leak.
If you can smell the fumes inside the car sort it out quick or else you will have carbon monoxide inside the car.

Mate have you checked the locking ring on ur lift-pump under the back seat. My car stank of diesel cos the ring had been put back on wrong

FarmerPug wrote:the exhaust can rust easy, ive seen it on my own and other hdi exhausts a wee bit of rust is all it takes for a leak.
If you can smell the fumes inside the car sort it out quick or else you will have carbon monoxide inside the car.

not from a diesel you wont a nasty smell and some soot but no monoxide.

really a diesel doesnt make any monoxide?
it must make some harmful gases, its less refined than petrol.

My apologies i am wrong, it does produce some monoxide when under load but idling it produces next to none due to complete combustion, its lack of complete combustion that produces the CO.

theres bound to be something harmful in diesel smoke, its not the cleanest in the world.