Why is my car blowing blue smoke when I accelerate?

Pro-Tip: Blue smoke during acceleration means your vehicle's piston rings may be damaged. During deceleration, however, blue smoke means the cylinder heads' valve guides are damaged. Either way, something is damaged that shouldn't be.

How do I fix blue exhaust smoke?

What does it mean when a car blows blue smoke?

If you see blue smoke from your car's exhaust, it will probably be accompanied by a burning smell. It means that there is oil entering the system somewhere. Engine oil is designed to lubricate moving parts, and it doesn't enter the fuel system if a car is running properly.

Can low oil cause blue smoke?

Can Overfilling Oil Cause Blue Smoke? Yes, there's a possibility of blue smoke being caused by the overfilled engine oil. This can occur when the crankcase is over-pressurized due to the sump being overfilled. Consequently, the additional oil will be forced up the cylinder wall and into the combustion chamber.

Why does my car smoke when I accelerate?

Smoke often leaves car engines as a result of overheating. This can be caused by faulty wire casings, heated residues on the engine block and overheated liquids including oil, transmission fluid and brake fluid. There may also be a fault in your coolant system, or your engine may not have enough lubricant.

TOP 3 REASONS WHY CAR SMOKING BLUE, BLUE SMOKE FROM EXHAUST

What does blown head gasket smoke look like?

Blue Exhaust smoke & White Material in Your Oil

If your car looks like a rocket ship with blue smoke streaming out of your exhaust, chances are this is a head gasket problem. Oil is probably leaking into the cylinders and burning there.

How do you fix grey smoke from exhaust?

To fix blue or gray smoke: The easy way is to add a bottle of Motor Honey Oil Treatment to your motor oil with each oil change. It's specially designed to reduce oil burning and stop smoky exhausts. The hard way is an engine overhaul, which is about a hundred times more expensive and a thousand times more work.

Can bad spark plugs cause blue smoke?

Other possible causes of blue exhaust smoke include: piston wear, worn valve seals, a dirty or non-functioning PCV valve, worn piston rings, an intake manifold gasket leak, worn engine oil seals and possibly even head gasket failure. Oil leaking into the cylinders can cause a rough idle, misfire and fouled spark plugs.

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

The most common answer to, “Why is my car smoking but not overheating?” is that there's a type of fluid that's landed on the engine. This can be motor oil, fuel, transmission fluid, coolant, or even condensation. It can cause your engine to smoke because it's burning off that fluid from the engine.

How much does it cost to fix blue smoke from exhaust?

If your piston rings are worn out, and the car is high mileage, you will need to replace your engine which could cost anywhere from $2500-$7000 which is not money you will want to spend.

What color smoke is fuel?

Blue Smoke

Blue or grayish smoke means you're burning oil. Keeping all the quickly moving parts of an engine well oiled is super important, but oil has no place in the combustion chamber, which requires air, fuel and spark only.

Can a catalytic converter cause blue smoke?

This unburned gas can also cause damage to your catalytic converter as well as your oxygen sensor. Now the sad part is the blue smoke you asked about.

Can EGR cause blue smoke?

Yes, a bad exhaust gas recirculation (EGR) valve can cause blue smoke to be produced from a car's exhaust. Sometimes the EGR system may be clogged up, and at other times, it may stick open, thereby allowing spent gases from the exhaust to enter the combustion system.

Can the wrong oil cause smoke?

You're Using the Wrong Oil

Using the wrong oil type and viscosity in your car's engine can cause it to smoke excessively. It's due to the oil not burning correctly, causing it to get into the exhaust. This results in your exhaust blowing white smoke.

Is blue smoke bad?

Blue Exhaust Smoke

You are right to be concerned. 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 causes light blue smoke from exhaust?

When blue smoke is emitted from a car's exhaust pipe, this usually indicates that a leak in the engine's valve seals is allowing oil to leak into the combustion chamber where it is being burned along with the fuel. This may be due to natural deterioration or a faulty part.

Will car smoke if low on oil?

Generally, blue smoke is caused by oil seeping into the engine and being burned along with the fuel. Your engine will be low on oil, as well. There is also the possibility that there is an external oil leak, and the oil is dripping onto the exhaust system.

Can low coolant cause white smoke?

A low coolant level and the need to repeatedly refill the coolant is a sign of leakage in the cooling system, and possible head gasket failure. The inexplicable loss of coolant and the appearance of white smoke (steam) in the exhaust go together like hand and glove.

How expensive is it to replace a head gasket?

According to a national average, it costs between $1,624 and $1,979 for a head gasket replacement. The associated labor costs are estimated between $909 and $1147 while the parts themselves vary in the range of $715 and $832.

How much does it cost to fix a blown head gasket?

How much does it cost to replace a blown head gasket? The cost of head gasket repairs can run into the thousands, meaning it's often easier and cheaper to scrap the vehicle than it is to have it repaired. The average cost of head gasket repair is around $1,000 to $2,000, but this isn't because the parts are expensive.

Will a car still run with a blown head gasket?

A bad enough head gasket leak will cause the engine to lose compression. This can lead to the engine running roughly at idle, knocking and even stalling. However, other problems can cause the engine to run roughly or knock.

What does grey smoke mean?

Blue or Grey Smoke

If the smoke from the exhaust pipe is either grey or bluish-tinged, it generally means that your engine is burning oil inside the combustion chamber. Burning oil could be due to a number of causes, from leaky valve seals to bad piston rings.