300 tdi excessive black smoke
Posted 03 July 2010 - 10:32 AM
My 300TDI 110 now has around 215000 miles on it and I've noticed that when pulling away from a stand or powering up hills it makes quite a bit of balck smoke. Does anyone have any ideas on the quickist / cheapest way to cure this? I was thinking about starting replacing the injectors, AFAIK they are the origionals. Will the fuel pump have worn and be contributing to this or have I missed something?
There is absolutly no blue smoke its just thick black and gets worse if I push the peddle harder.
The vehicle is serviced religiously every 5500 miles so its not filters and has been smoking for a while now.
Posted 03 July 2010 - 11:40 PM
I'm not sure why overfuelling would start without changing something so something must have worn.
M reg 1994 110 300Tdi CSW (MA9xxxxx)
Africa done, South and Central America done, North America done, Canada done, Alaska done,,,,HOME.
Posted 04 July 2010 - 11:58 AM
Posted 04 July 2010 - 05:53 PM
Posted 06 July 2010 - 11:00 AM
at that sort of mileage it wouldnt hurt to whip them out and get them done and if it doesnt cure the problem, at least you have done some good maintanence.
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Posted 06 July 2010 - 01:29 PM
If the turbo is worn or damaged it may not be flowing the correct amount of air, and as a result you get black smoke.
You should have more or less 1 bar of boost not long after 1900rpm, and it should hold there.
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