Why do I have gray smoke coming from my car?

Why do I have gray smoke coming from my car?

Unfortunately, because ‘gray’ is such a wide color band, it can be a minor variant of any of the other colors or its own thing entirely. Truly gray smoke is most frequently caused by burning transmission fluid. Checking your transmission fluid is easy, and by evaluating the fluid on the dipstick you can learn a lot.

What causes black smoke to come out of exhaust pipe?

White smoke or water vapor coming from the tailpipe, especially in the morning when the engine is cold. Black smoke or very dark smoke coming from the exhaust pipe. A new fuel odor or drop in MPG that seems to be coming from the exhaust pipe. The engine’s piston rings may be worn. The Fix: Replace piston rings. (This is generally not a DIY job)

Why does my car have blue smoke coming from the exhaust?

Blue smoke usually appears in the morning when your engine starts up for the first time of the day. Blue exhaust smoke indicates that your engine is burning oil. Though this is primarily a problem in older cars, not taking care of maintenance issues can cause oil burning regardless of year.

Why does my car exhaust have a white smell?

The answer is either transmission fluid or burning coolant. In transmission fluid case, the engine is sucking the fluid through a vacuum hose, which leads to the color white from smoke. The exhaust will also have a burned oil smell.

What causes gray smoke from the exhaust?

Because “grey” is a colour that can be interpreted differently, seeing a cloud of smoke coming out of your exhaust in that shade can mean a lot of things. However, truly grey smoke is most frequently caused by burning transmission fluid. Put simply, when it comes to grey smoke, diesel cars tend to emit it when they lack enough oil.

What causes grey smoke from a diesel engine?

There are differently-coloured smoke emissions that can be discharged by a diesel vehicle. Gray smoke in particular may demonstrate problems with oil circulation, engine function or valve integrity in the exhaust system. Grey smoke is linked to engine oil.

Why is my car smoking from the exhaust pipe?

Causes of White Smoke Coming from the Exhaust Pipe Condensation. The most common reason for white smoke from the exhaust pipe is condensed water that is getting vaporized. Leaking Intake Manifold Gasket. Now we are coming to a little bit more serious problem, but not too bad. Bad EGR Cooler. Blown Head Gasket. Cracked Cylinder Head or Block. Too Rich Fuel Mixture.

What does black smoke from the exhaust mean?

Black smoke when accelerating. If you see black smoke coming out of your exhaust when you accelerate it hard or when it is heavily loaded, then it may indicate incomplete combustion of the diesel fuel in it, along with a few traces of the engine lubricant.