hi all, i own a 97 306 5door d-turbo with 80k on the clock. As i have never owned a diesel before this car i have noticed that when i floor it in 2nd and 3rd it leaves a nice black cloud behind me when the turbo kicks in. But if i go up the revs slow it doesnt do it. i have heard this is normal, is this true? or does this mean there's something wrong. it had a service about 600miles ago. cheers marc.
306 kicks out black smoke when turbo kicks in
Feb 17, 2005
4 Replies
Its an oil burner so if you rag it you'll see the results in the rear view mirror. Having said that deisels do benefit from a good thrashing from the right foot once in a while to clear out the sh1te. Just make sure its warmed up first.
Just make sure that the air filter was changed during the service, it wouldn't be the first time.... Diesels do build up soot in the exhaust when used on low throttle round town, or on short journeys. Then when you boot it hard it all comes out of the back end. Normally once you have cleared it, it runs cleaner the second time. This is a handy thing to remember at MOT time. Take the car for a run first, get it warm, then on a suitable road, floor it in second, and keep it there for about 15 seconds. This cleans all the s*1t out of the system, and gives a far better chance of a good emissions figure. If you have an ongoing problem with really black smoke on hard accelleration, then it is possible to get the pump adjusted to reduce this affect. If it is done properly then it will not affect performance. Brian.
Cheers fellas will try your hints out and i'll have a look over the air filter! if i got an induction kit for it would this help or do you think it would make it worse??
brian wrote:
system, and
Well, induction kits are supposed to make the engine suck air in more easily, so it might help, but the emphasis is on the "might".
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