Question about 2001 BMW 330

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330d 2001 Problem with lots of black smoke out the back. changed fuel and air filter no difference.black dust over one side of engine. 100,000miles. Any idea what to try next?

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I think it would be worth having the pump timing checked.

Posted on Oct 04, 2008

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I have a 2005 vw caddy 2lt sdi it take ages to start and when driving black smoke comes out of the back under load. can you help?


Black smoke is fuel. Sounds like your choke is stuck on or if you have not changed your air filter in ages it could be real dirty so the fresh air won't get into your carb. I have seen filters so dirty the engine actually choked itself to *****. Is your check engine light on? You could have a bad fuel sensor or air flow sensor. That would do it as well. If you are driving with black smoke your gas mileage will be poor also.

Sep 03, 2016 | Volkswagen Caddy Cars & Trucks

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Causes of high fuel consumption and black smoke ?


Black smoke = rich fuel/air mixture (not enough air - too much fuel).
Maybe change the air filter so air can get in.
Not sure why you would want to change the plugs but if you got a lot of miles on them, go ahead and change them.

Feb 17, 2015 | Cars & Trucks

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Black smoke from exhaust on a 2004 jeep liberty and the check engine light is on


The first thing you should do is to check your air filter to see if it is clogged. Locate your jeeps air filter and remove it. You will need to pop the clips off using a screw driver to be able to open the top. Take a close look at your air filter. Is it very dirty? If there is a lot of dirt on your air filter then this is the likely cause of your problem. When your air filter is dirty it will not allow enough air through to the engine causing your air/fuel mixture to burn rich causing the black smoke.

You can pick up a new air filter from any auto parts store. Once you have your new air filter in place, replace the cover and reattach the clips.

If your air filter is not dirty then your fuel injection system is where we need to look next. One of your sensors could be bad. The sensors that will be the most likely to cause black smoke is your Throttle Position Sensor, Engine Coolant Temperature Sensor and/or The Mass Air Flow Sensor. Typically black smoke indicates that the engine is getting too much fuel. Be sure they repair it before you purchase.

Hope this helps (remember to rating this answer and leave some testimonial).

Sep 30, 2011 | 2004 Jeep Liberty

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My camry 2001 v6 engine emits black smoke and **** in traffic


Black smoke indicates running "rich" (using excessive fuel) sounds like an injector is sticking open. I would first run a strong fuel system cleaner through it. (Maybe even have a professional fuel system cleaning) Ques? When was last tune up? A dirty air filter would contribute, but not make alot of black smoke.

Mar 26, 2011 | 2001 Toyota Camry

2 Answers

I have Hyndia Tucson 2006 Deisel. I have a problem in it. This problem is smoke heavily (Black) and there is no intention of any force during press the accelerator.


mean there might be fuel leaking into the engine or the air to deisel ratio is and not atomised correctly. the main causes are normally is the air filter that isnt allowing air into the engine. Fuel filter can also be at fault not allowing enough fuel in or allowing to much in the engine sometimes. This causes the chamber to burn it out. Fuel injector if fualty could allow to much fuel or not enough. My personal suggestion would be to run fuel injector cleaner first, then change the air filter. If that doesn't fix it change the fuel filter. I would go the cheapest route first. Is is prolly something simple

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1 Answer

When first started black smoke comes out exhaust pipe,, what could this be


Black smoke is burning oil. Blue smoke is usually transmission fluid due to a leaking modulator valve in the older auto transmission. White smoke is due to water getting in to a cylinder from a bad gasket, cracked block or a cracked head. Black smoke from engines on starting and/or running tends to mean there is fuel leaking into the engine, or the fuel mix is incorrect and not atomised correctly. the main causes are normally a nakered air filter that isnt letting enough clean air into the engine to mix. a blocked fuel filter, which is either not letting enough fuel in, or in some cases, a faulty fuel filter which is letting too much fuel into the engine, and causing black smoke due to excess burning. Black smoke is a fuel/air mixture suggestion problems with injection or carbonation. Cause of black smoke is due to running rich in the fuel air mix. Check the oil,the oil leak,the air filter,the fuel pump and fuel filter to confirm the fault.

Thanks. Keep updated for any more query. You can rate this solution and show your appreciation

Sep 22, 2010 | 1986 Mercury Grand Marquis

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Fuel filter on picaso 2.0 litre diesal engine


Black smoke from a diesel engine does not mean you have to change the fuel filter.It is caused by the air filter being dirty.That you need to change.Anyway if you want to change the fuel filter it is located at the front middle of the engine in a black plastic round case with notches around the top.Good luck hope that was helpfull.

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1 Answer

Black smoke


black smoke means not enough air to engine. and/or too much fuel. check intake system or bad map sensor. clogged air filter. good place to start

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1 Answer

2001 jetta tdi auto. only runs 345 miles on a full tank of diesel


the catilic converter may be clogged. this could b.e the reason for the black smoke .it could also cause poor fuel mileage .you might try removing it and see if the black smoke stops .if it does change it and your fuel mileage should improve

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