Question about 1993 Oldsmobile Bravada

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Turning the engine on produces gray smoke out the tailpipe for a few seconds. There are no indications of oil discharge. Is this steam from water condensation being produced inside the pipe when shut off. And, steam production out the super heated tailpipe when turned on?

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Are you loosing anti-freeze?

Posted on Sep 30, 2009

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White smoke coming from tailpipe during cold start from chevy trailblazer 2005 ls


You need to determine if it is indeed smoke or steam. Water condenses in your exhaust when it cools off, when you start it in the morning that water will turn to steam. If it is smoke, it will linger around longer than steam. Coolant in combustion chamber (head gasket) is the most common cause for white smoke. Unless it's an older vehicle with a transmission vacuum modulator with a torn diaphragm, most likely coolant. You can confirm coolant by pulling spark plugs, they will have a crusty whitish/gray build up on the end.

Oct 18, 2015 | Cars & Trucks

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With smoke coming out of tailpipe p301


White smoke coming out of the exhaust on any gas powered vehicle is a sign that you have a blown head gasket allowing water from the cooling system to enter the cylinder, and when the piston comes up for combustion stroke and fires it turns the water to steam. This is also bad for allowing coolant to get in your oil, which anti-freeze in your oil will ruin the journals (Bearings) on the crankshaft (Major Engine Repair) costing several thousand dollars *NEW* !

Mar 01, 2015 | Cadillac CTS Cars & Trucks

1 Answer

Oil in coolant resvoir


Not good! The coolant and lubricant in the engine should never come in contact with each other.

Check the oil dipstick - if it is white / foamy white - is indication of coolant entering the crankcase and mixing with the oil. This can happen if the engine block has cracked or head gasket is torn / damaged.

After the engine has been running / warmed up completely (you get full heat from the heater or thermostat indicates in the normal range), look at the tailpipe. There should be no visible "smoke." If you see white "smoke" it is probably coolant in the form of steam / water vapor and confirms the crack / head gasket issue. Low coolant / oil levels can also indicate this.

Neither problem is an inexpensive repair - but the a cracked block is usually the "point of no return" that few will fix unless the car is in great shape, low miles, etc.

Apr 06, 2014 | 2007 Chevrolet Aveo Sedan

1 Answer

My toyota after along drive white smoke comes out off the silencer could it be the turbo because the turbo shaft play.


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. The cylinder is where the fuel and air mixture are being compressed and burned. Any amount of antifreeze that enters this area will produce a white steam that will be present at the tailpipe area.
Check to see if the proper amount of antifreeze is inside the radiator and the overflow bottle. Also check to see if antifreeze has contaminated the engine oil. You can look at the engine oil dipstick, or look at the under side of the engine oil filler cap. If the oil is contaminated with antifreeze, it will have the appearance of a chocolate milkshake. Do not start the engine if the oil is contaminated with antifreeze, as serious internal engine damage can result.

Jul 17, 2011 | Toyota Tercel 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

2 Answers

I've changed the oxygen sensor and the O2 sensor and new plugs on my 97 dondge 3.9 van and it still blowen black smoke (rich) seems to run real good on top end but theres is a flat spot where theres no...


Black smoke indicates no air, check your air filter, if you have done that and it is ok, check the PCV valve. Thats about all that I can suggest. Hope that helps.

Dec 07, 2010 | 1996 Dodge Dakota

1 Answer

Blown head gasket or not?


check oil dip stick for water/antifreeze and radiator for oil in antifreeze but usually alot of white smoke-steam from tailpipe usually indicates head gasket blue smoke means oil black smoke carbon

Sep 29, 2009 | 1993 Acura Integra Hatchback

2 Answers

Got an Eagle Talon es, 1994. runs and sounds good but after a few minutes of running, it starts smoking real bad. what could be the problem? white smoke


white smoke is usually an indication of water in the engine you may have a bad head gasket or cracked block or water is building up in your muffler or tailpipe

Aug 28, 2009 | 1994 Eagle Talon

2 Answers

2004 S40 Light Smoke


Most likely it is oil smoke, if the smoke is black, and the check engine warning light is on, it could be over fueling for numerous reasons.How many miles on the engine?

Nov 13, 2008 | 2004 Volvo S40

3 Answers

Black smoke from exhaust


hi nishga
im dave; hope i can help

First you need to determine if it is actually black smoke or if it is blue smoke. There are three colors of smoke that can come from the tailpipe. It is not white smoke obviously because that is easily differentiated from blue or black and generally indicates water or antifreeze leaking past the head gasket and into the compression area of the motor. White smoke is the steam of the water/antifreeze being emitted

Blue smoke is caused by engine oil entering the cylinder area and being burned along with the fuel air mixture. As with white smoke, just a small drop of oil leaking into the cylinder can produce blue smoke out the tailpipe. Blue smoke is more likely in older or higher mileage vehicles than newer cars with fewer miles. 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 plugs, 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.

Black smoke is caused by excess fuel that has entered the cylinder area and cannot be completely burned. 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. Excess fuel will usually effect engine performance, reduce fuel economy, and produce a heavy fuel odour in the engine compartment. Some of the causes of excess fuel are a carburetor that is out of adjustment which is not likely unless you have installed an aftermarket carburated system on your non-carburated car, a faulty fuel pump, a leaky fuel injector, or a faulty engine computer or emissions sensor. If black smoke is present, check the engine oil to make sure excess fuel has not contaminated it. Do not start the engine if a heavy, raw fuel smell can be detected in the engine oil. Check the above mentioned systems and after detecting the trouble replace the faulty parts and then the engine oil and filter.

Jul 20, 2008 | 1996 Pontiac Firebird

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