What does it mean when your car blows blue smoke?

What does it mean when your car blows 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. Blue exhaust smoke only at start-up can indicate worn piston seals or damaged or worn valve guides which may also cause a rattling noise.

Does synthetic oil burn blue smoke?

Smoke coming from the exhaust after a vehicle has warmed up is attributed to oil burning during the combustion process. A switch to a more stable, synthetic oil would be the way to stop a blue-tinged smoke from emerging from the exhaust. It will likely lead to the area of the engine causing the smoke.

Will thicker oil help blue smoke?

When an engine uses oil or blows blue smoke constantly, it indicates excessive piston and ring wear. This extra thick formula stops oil leaking past piston rings and valve guides, reducing oil burning and exhaust smoke.

What is the best additive to stop oil burning?

Best Oil Additive for burning Oil

• LUCAS 10001 Oil Stabilizer.
• Archoil AR9100 Oil Additive.
• Liqui Moly Pro-Line Engine Flush.
• TriboTEX Nano-Oil Additive.
• XADO Engine Oil additive.
• Bar’s Leaks Engine Repair.
• Rislone Compression Repair.

Can an oil leak cause blue smoke?

Blue Exhaust Smoke 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.

Can wrong oil cause blue smoke?

Worn Engine So if the rings or cylinder is damaged, oil from below the piston will come up. Then the oil gets mixed with the air and gasoline and gets burnt, causing the blue smoke.

What does Blue Smoke mean in an engine?

What Does Blue Smoke Mean? Blue smoke is a clear sign telling your car engine is burning oil. What happens is that the piston rings or the valve guide seals or other components of the engine are worn or broken, causing oil leaking. The oil will flow into the combustion chamber, then it is being burnt together with the fuel, creating blue smoke.

What should I do if I see blue smoke coming from my exhaust?

If you see blue smoke coming out of the exhaust, all the time, PCV Valve is the frist thing you should check. If you observe blue smoke appearing in your car all the time, PCV (Positive Crankcase Ventilation) Valve will be the first thing you should check.

When do you Know Your Car Is Burning oil?

If an engine is burning oil, it is most often noticeable when starting the car while the engine is cold or when quickly accelerating from a stop. If the car is burning oil you’ll notice some blue smoke from the exhaust pipe either when starting the motor, or accelerating from a stop.

How to stop the smoke from burning oil?

Stop the Smoke: Cures for Burning Oil 1 Stuck or Clogged Rings. Automotive pistons typically have three rings that sit freely in small grooves, called lands, on the piston’s outer diameter. 2 PCV Problems. Your engine’s positive crankcase ventilation (PCV) valve can also be a cause of burning oil. 3 Worn Valve Seals and Guides.