Why is my car smoking GREY?
A blue or grey colored smoke is typically caused by an engine that’s burning a significant amount of oil. If you’re lucky, this can be caused by a blocked PCV valve, which can start sucking oil into the engine. Fixing this problem is typically as easy as replacing that valve with a new one.
Why is my car smoking black?
Black smoke from your exhaust Black exhaust smoke simply means that your engine is burning too much fuel. Engines need both fuel to burn and oxygen to burn it with. If there’s too much fuel in the combustion chamber and not enough oxygen to burn it with, it can cause black smoke to come from your exhaust.
Why is there white smoke coming from my head gasket?
The white smoke, which is really steam, is a sign that there may be coolant leaking into combustion chambers where it gets burned off creating the steam. This is a common symptom of a blown head gasket or cracked block and immediate attention is required.
What does it mean when you have white smoke coming from your engine?
But excessive white smoke likely means coolant is leaking into the engine combustion chambers. This is usually caused by one or more of the following problems: Leaking or blown head gasket: The head gasket is located between the engine block and cylinder head. It seals the combustion chambers, as well as the coolant and oil passages.
Why do I have grey smoke coming from my exhaust?
The presence of grey smoke may indicate several things, from a faulty turbo, a problem with the Positive Crankcase Ventilation (PCV), the job of which is to reduce vehicle emissions, or simply oil burn off. We would always recommend having your vehicle looked at straight away if you see grey smoke.
Why is there black smoke coming from the tailpipe of my car?
Overfilling the engine with oil can also cause white smoke to pour out of the tailpipe. Learn how to fill your car with the correct amount of oil to avoid this. Black smoke from the exhaust could be caused by something as simple as a clogged air filter.