What causes blue smoke at idle?
Blue smoke is engine oil being burnt in the combustion chamber with your gas and air mix. This oil being burnt can be caused by worn piston rings, worn valve guide seals, or even the valve guides itself letting oil seep into the combustion chamber. I recommend an oil and filter change after this job is completed.
What is normal smoke from exhaust?
It is considered normal when the exhaust coming from your vehicle is light or thin white. This type of smoke is usually just water vapor. You will notice it when you first start your vehicle, especially on cold days. The reason for this form of exhaust is that condensation collects naturally in the exhaust system.
Why does my Toyota Corolla have blue smoke in it?
If your Corolla’s valves are worn, you’ll see a hint of blue smoke while the engine is running. But, it’ll be at its worst when the engine is starting up, as oil has had time to seep past the valve seals while it’s sitting.
Why does my 2.7L EcoBoost make blue smoke?
2.7L EcoBoost -Excessive White Or Blue Smoke From The Exhaust At Start Up After A Cold Soak 19-2188 08 July 2019 Model: Issue: Some 2015-2017 F-150 vehicles equipped with a 2.7L EcoBoost engine may exhibit excessive white or blue smoke from the exhaust at start up after a cold soak. This may be due to oil entering the left hand
What causes blue smoke when you blow a turbo?
Blue smoke will suddenly appear in a big cloud if your car blows a Turbo. A blown turbo is either the turbo casing has damaged or a broken oil seal in the Turbo. In both cases they let oil into the intake of the engine. 4. Blue Smoke Comes With Transmission Fluid Loss
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: