Question about 1999 Pontiac Grand Prix

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Black smoke and car keep cuttin off wat do you think the problem is

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Could be the O2 sensor or a bad fuel pressure regulator. Sounds like the car is getting too much fuel. Any check engine light on?

Posted on May 08, 2010

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Posted on Jan 02, 2017

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My rave4 has a 1az fe engine,its emissifying black smoke and has unstable idle,wat could be the problem?


Black smoke means burning too much gas. The air/fuel mixture is off. Go to a mechanic and have it adjusted

Feb 02, 2017 | Toyota RAV4 Cars & Trucks

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Why is smoke coming from the back then i have changed the oile but not the fiter n i got a new pcv put on in put smoke trement n my oil plz tell me wats wrong


black smoke is gas is running to rich,,, blue or gray smoke is oil burning.. did you overfill your oil ? if you didn't change the filter you may have too much oil in now..

Aug 25, 2014 | Cars & Trucks

1 Answer

WAT COUSE BLACK SMOKE OF 320DIESEL 2001


Hi Xengle, Black smoke shows a rich mixture, in other words too much diesel is being injected into the combustion chamber and not being fully burned. Take the vehicle for a diagnostic scan and have them check if any of the sensors have become defective. If they are all fine you may need to get the injectors serviced and re-calibrated. Regards John

Jun 17, 2012 | 2001 BMW 3 Series

1 Answer

WAT IF THE CAR HAS BLACK SMOKE


Rich fuel mixture would be the case.

Jun 17, 2012 | Cars & Trucks

1 Answer

Has new injectors black smoke &a miss


black smoke is oil burning somewhere. there is a leak allowing your oil to get into the cylinder more than likely causing it to miss. remove your spark plugs one by one to find out what cylinder. most likely your have a cylinder head problem. a machine shop can re manufacture them for a couple hundred dollars. never have only one head done if you have two have them done in pairs.

May 26, 2012 | Cars & Trucks

1 Answer

2005 3.5l some times smokes oil then stops


Smoke oil? For what your thinking that is oil? Smoke coming from the tailpipe is not good news, but does not necessarily mean the engine needs rebuilding. First, you need to determine what color of smoke is coming from the tailpipe
* White smoke is caused by water and or antifreeze entering the cylinder, and the engine trying to burn it with the fuel. The white smoke is steam. There are special gaskets (head gaskets are the primary gaskets) that keep the antifreeze from entering the cylinder area.
* Blue smoke is caused by engine oil entering the cylinder area and being burned along with the fuel air mixture. As with the white smoke, just a small drop of oil leaking into the cylinder can produce blue smoke out the tailpipe.
* Black smoke is caused by excess fuel that has entered the cylinder area and cannot be burned completely. Another term for excess fuel is "running rich." Poor fuel mileage is also a common complaint when black smoke comes out of the tailpipe. Black smoke out the tailpipe is the least cause for alarm.


If you confirm us that is oil smoke, check and keep in mind that the car has many seals, gaskets, and O-rings that are designed to keep the engine oil from entering the cylinder, and one of them has failed. If too much oil leaks into the cylinder and fouls the spark plug, it will cause a misfire (engine miss) in that cylinder, and the spark plug will have to be replaced or cleaned of the oil. Using thicker weight engine oil or an oil additive designed to reduce oil leaks might help reduce the amount of oil leaking into the cylinder.

Keep us updated.

Apr 15, 2011 | 2005 Mitsubishi Diamante

1 Answer

Multiple misfires


try to chang the module that worked for me

Jul 11, 2010 | 2003 Pontiac Grand Prix

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