Blue and white smoke

What can cause white and blue smoke? What is the blue smoke caused from? What Blue, White, gray or black exhaust smoke means about your car?

Sadly, white smoke from a diesel car operating at its optimum temperature is bad news in most cases. Check for the following for white smoke in diesel cars: Worn or Leaking Injectors. The seals on the fuel injectors are prone to breaking down and eventually leak. This means that coolant has made its way into the combustion chamber, and coolant only gets there if you’ve got a bigger problem that should be. A vehicles exhaust color means alot.

White exhaust smoke indicates coolant is burning in the combustion chamber, blue exhaust smoke indicates oil, and black exhaust smoke indicates a rich condition. Your ATV can smoke for one of reasons: 1) black smoke is generally benign and is due to an overly rich fuel mixture 2) blue smoke is a bigger concern and is due to cross contamination in the air fuel mixture within the cylinders 3) white smoke is typically water droplets being burned off as steam, but can be a very bad sign if it doesn’t go away within seconds. Any excess smoke from a modern marine diesel is a sign of a problem, and the color of the smoke helps indicate the nature of the problem. It is never a good signal and can indicate several problems. But if you spot it early, know what to do and act on it, these problems can be fixed.

There are many common causes for diesel engine smoke from burning oil, fuel or regeneration issues and can be diagnosed by its white , blue and black colors. If smoke is being release then this is indicative of a problem. HOWTO looks at all the possible reasons why white smoke is coming from your exhaust pipe. White smoke as mentioned is usual from startup however if it continues when warm, you have a problem.

Check the following for white smoke causes in petrol cars: Head Gasket Failure. A common issue with cars that have been neglected or simply the gasket has reached the end of its lifespan. The mainreason for the appearanceof blue smoke - oil gets into the engine cylinders. Engine smokes : Blue or dove-colored smoke.

Oily smoke may have blue color with various hues - from transparent blue to blue - white , depending on the engine operating condition, and the degree of the oil heating that got into the cylinders. Remove and inspect the spark plugs if you see gray or blue exhaust smoke. A shiny, wet, black film on the plugs is a result of excess oil, and this causes blue smoke. The smoke also gives you a good idea of the kind of repair work that is going to be necessary.

Blue smoke will suggest piston rings have become faulty and has allowed oil to move from lubricating engine parts. A turbocharged car will also send out blue smoke whenever the blower has to be replaced. Why you see Blue Smoke From Exhaust.

If you are seeing Blue Smoke From Your Exhaust this means that your car engine is burning oil. It really does not smell very good and is not good for your health to breath in. This smoke should not be confused with White Smoke you will see when a car first starts up. White smoke points to some very specific conditions which can indicate a number of component or system failures.

If it has trouble starting in the morning and it is coming out when you are trying to start it then it is most likely vaporised diesel. The most noticeable symptom of internal coolant leakage is when the white smoke is billowing out of the exhaust pipe and leaves a sweet odor in the air. Ford F-2Super Duty Smoke From Tail Pipe Due to Failed EGR Valve - 1reports.

Learn about this problem, why it occurs, and how to fix it.