What causes blue smoke to come out of the exhaust?

Blue/gray exhaust smoke means there’s likely an oil leak and your engine is burning oil. The leak could be caused by several issues like leaking valve seals, damaged piston rings, or worn cylinder walls.

What does it mean when you start your car and blue smoke comes out?

Blue smoke can often look like grey smoke at first. But if you notice a distinctive bluish tint, it may signal that the engine is burning lots of oil. This could be due to worn engine components like piston rings, valve seals, or PCV (Positive Crankcase Ventilation) valves.

Why is my Acura MDX smoking?

If your Acura MDX’s engine has smoke coming from it, it needs to be addressed right away. It can be caused by quite a few different problems, none of which should be ignored. The most common reasons why your MDX’s engine would smoke include overheating, burning oil, or a melting wiring harness.

How do you fix blue smoke from exhaust?

How To Fix Blue Smoke From Exhaust

1. Clean The Engine. Have you checked the engine yet?
2. Fix Valve Seals. Replacing Valve seals is not too hard and can be done at home by someone who can work on engines comfortably.
3. Fix Bad Glow Plug.
4. Fix PCV Valve.
5. Fix Blown Turbo.
6. Fix Transmission Modulator.

How do you fix blue smoke?

Can low oil cause blue smoke?

Oil leaking into the cylinders can cause a rough idle, misfire and fouled spark plugs. In addition, a reduction in power and oil loss can be indicators that the blue exhaust smoke is caused by an internal engine oil leak.

What causes white smoke from exhaust when accelerating?

The main cause of smoke from exhaust when accelerating is due to a burning coolant or transmission fluid problem. When the white smoke is as a result of transmission fluid, it means that the car engine is likely absorbing excess fluid from the vacuum pipe or hose which is what makes it produce white smoke.

Can faulty injectors cause blue smoke?

This can be caused by worn/leaking injectors or restrictions in the air intake system. Blue smoke is normally the result of engine oil entering & burning inside the combustion chamber. This is most often caused by low compression, or worn piston rings. (Ford 7.3 & 6.0) injectors.

Is blue smoke from exhaust bad?

Blue smoke from a car exhaust is generally a bad sign, and the cause of it will need to be repaired as soon as possible. It’s either a problem to do with the oil, or internal engine components.

Why does my car smoke white when I first start it up?

But white smoke usually is caused by vaporized coolant, which often is the result of a blown head gasket. At the middle of the engine, you have the cylinders, which combust gasoline and air. Then, when you restart the engine, that coolant gets combusted, along with the gasoline and air. And that makes white smoke.

What kind of car is a 2003 Acura MDX?

Description: Used 2003 Acura MDX Touring with AWD/4WD, Audio and cruise controls on steering wheel, Stability Control, Heated seats, Auto Climate Control.

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 kind of odometer does Acura MDX have?

2004 Acura MDX Touring Starlight Silver Metallic Odometer is 33367 miles below market average! CARFAX One-Owner. 3.5L V6 SOHC VTEC 24V 5-Speed Automatic with Overdrive 4WD Our Internet Market Value Pricing mission at Bell Audi is to present fair, competitive market value pricing to all of our customers.

Why is blue smoke coming out of my Honda Accord?

But in others, the repair could be very minor. This article applies to the Honda Accord (1990-2002). One possible cause of blue smoke coming out from your exhaust is stuck piston rings. Of course, this would be a major repair, but there are also some minor sources that can cause this cool-looking problem. So first, determine the culprit.

What kind of car is the 2003 Acura MDX?

Edmunds’ expert review of the Used 2003 Acura MDX provides the latest look at trim-level features and specs, performance, safety, and comfort. At Edmunds we drive every car we review, performing road tests and competitor comparisons to help you find your perfect car. Read the full in-depth review of the Used 2003 MDX at Edmunds. Popular searches

Why do I have blue smoke coming out of my engine?

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.

How to get rid of blue smoke from exhaust?

Clean the drain back holes carefully and recheck and reassemble them. After the mending job, wait for 2 or 4 more days for the remaining oils to clean away. 2.