Quick Answer: Why Does My Car Smoke On Cold Start?

Can low oil cause white smoke?

If your engine is low on oil there is a possibility that there’s an external oil leak and the engine oil is leaking onto the exhaust system..

What causes a vehicle to smoke?

Oil leakage, blocked manifold, and clogged air filter are some of the reasons that are causing your vehicle to smoke. Besides, a cracked cylinder head and leaking head gaskets are some other reasons behind a smoking vehicle.

Why does my car smoke when I first start it?

Usually it’s due to worn piston rings or wear on the cylinders themselves. … The valves sit right on top of the cylinders and when the seals are worn out, oil leaks into the combustion chambers and burns together with the fuel. Sometimes after a car has been parked for a while, blue smoke is noticeable on start up.

Is it normal for your car to smoke when it’s cold?

A cold car emitting white, gray or black smoke when first started is normal due to condensation, but not after the vehicle is warmed up. … By the time the vapor hits the exhaust system it condenses, and becomes visible. This chain reaction is also the reason drivers see water dripping from the tailpipe.

What does it mean when your car is smoking but not overheating?

If there’s burnt fuel inside the engine, the oil filler cap can release a little bit of smoke but not cause the car to overheat. This could also happen if the piston rings are worn out or the PCV tube is clogged. These parts are used to drain off fuel into the cylinder, where it then burns and creates smoke.

What are the symptoms of a blown head gasket?

Bad head gasket symptomsWhite smoke coming from the tailpipe.Water leaking from the tailpipe.Bubbling in the radiator and coolant reservoir.Milky white coloration in the oil.Engine overheating.

Is a little white smoke from exhaust bad?

White smoke is an early warning sign that your engine could soon suffer major damage, so head to an authorized Chevrolet dealership service center right away when you notice it coming from your car.

How do I fix white smoke from exhaust?

How To Fix White Smoke From Exhaust IssueStep 1: Inspect The Intake Gasket. There is a gasket that seals the manifold to the head inside the vehicle. … Step 2: Inspect The Head Gasket. The gasket seals the cylinder head to prevent the coolant from getting into the cylinder. … Step 3: Inspect The Cylinder Head.

Can I drive my car if it’s smoking?

It depends on the source of the smoke. … If the smoke is from engine oil dripping onto a hot exhaust manifold, you could end up with an engine fire. Smoke is serious so the bottom line is unless you know exactly why it’s smoking there is no other prudent course but to just not drive the vehicle until it’s repaired.

What to do if car engine is smoking?

If you notice your engine releasing steam or starting to smoke up, pull your car over when it is safe to do so and turn your engine off. If you are comfortable doing so, pop the hood of the car. Dot not pop the hood until the engine has cooled. Do this only if you feel it is safe to do so.

Why does white smoke come out when I start my car?

But white smoke usually is caused by vaporized coolant, which often is the result of a blown head gasket. … Then, when you restart the engine, that coolant gets combusted, along with the gasoline and air. And that makes white smoke. So, the first thing to do is ask your mechanic to do a head-gasket test.

Is white smoke on cold start normal?

White smoke from the exhaust on a cold morning start is normal condensation of moisture that has collected in the exhaust system overnight, and is of no concern.