Why does blue smoke come out of my exhaust when I start it?
Blue/gray exhaust smoke means there’s likely an oil leak and your engine is burning oil. Time to have a qualified technician check things out. The leak could be caused by several issues like leaking valve seals, damaged piston rings, or worn cylinder walls.
How do I fix blue smoke from exhaust?
How To Fix Blue Smoke From Exhaust
- Clean The Engine. Have you checked the engine yet?
- Fix Valve Seals. Replacing Valve seals is not too hard and can be done at home by someone who can work on engines comfortably.
- Fix Bad Glow Plug.
- Fix PCV Valve.
- Fix Blown Turbo.
- Fix Transmission Modulator.
What does it most likely mean if blue smoke is seen coming from the tailpipe of a car when it starts?
If you are noticing blue smoke from the exhaust, it means your engine is burning oil due to an oil leak. This symptom could be the result of a leaking valve seal or a problem with a piston ring. What is happening is that the engine seals are not effectively sealing the oil from getting into the cylinders.
Can you drive with blue smoke from exhaust?
You can still drive with blue smoke coming from your tailpipe, but as with all of our recommendations, you should get your car to a qualified mechanic as soon as possible. This is because oil mixing with your fuel is not a good thing to happen, and it’s not how your engine was designed to run.
Will a bad fuel injector cause blue smoke?
This can be caused by worn/leaking injectors or restrictions in the air intake system. Blue smoke is normally the result of engine oil entering & burning inside the combustion chamber. But what we see more often than not are issues related to worn injectors.
What does it mean when my car blows blue smoke?
burning oil
If your car is blowing blue smoke, it’s a clear sign that the engine is burning oil. What happens is that the valve guide seals or piston rings are worn out, and oil is leaking past from where it should be lubricating the moving parts, to the combustion chamber where it’s being burned up with the fuel.
Can bad spark plugs cause blue smoke?
The most common cause of blue exhaust smoke is oil leaking past engine seals and into the cylinders where it then mixes and burns with the fuel. Oil leaking into the cylinders can cause a rough idle, misfire and fouled spark plugs.
Will K seal stop Blue smoke?
Blue exhaust smoke is a common symptom of head gasket failure. With over 6 million bottles sold, K-Seal provides a permanent head gasket & coolant repair.
What does it mean when your car has blue smoke coming from the tailpipe?
Blue-gray or gray-white smoke. Blue-gray or gray-white smoke usually means the engine is burning oil. If you have a turbocharged engine, a faulty turbo seal could be causing this, but if you have a more common engine, it’s likely one or more of the following problems:
How to check for Blue Smoke on start up?
One way to check is to go about 50 mph and take your foot off the gas. The engine vacuum will suck the oil past the guides, showing blue smoke. Before catalytic converters this test was easier. SteveC76 July 6, 2016, 5:15am #7 Valve seals are worn out.
Why do I have white smoke coming from my tailpipe?
This results in white smoke coming from the tailpipe, usually accompanied by a sweet smell. It’s also possible that your engine will overheat. Solution: Your engine will need to be partially disassembled, have the gasket replaced, and then be reassembled.
Is there an inexpensive way to reduce blue exhaust smoke?
Inexpensive way to reduce blue exhaust smoke? My 12-year-old car has started to blow blue smoke from the exhaust when starting after sitting overnight or longer on cold days. The smoke stops within a few seconds.