What does Brown exhaust mean?

Re: What does brown smoke from the exhaust mean? ( The thermo-time switch is a sensor in the coolant flange of the head, should be on top. The bottom sensor is the coolant temp sensor, which could also cause a rich condition when the car’s cold. Other than these, the O2 sensor could be bad. C.

What does it mean when thick smoke comes out of the exhaust?

Many times, this thick smoke is due to the likes of a blown head gasket, damaged cylinder, or a cracked engine block, which is causing coolant to burn. Thick white exhaust smoke usually indicates a coolant leak, which could cause overheating and put your engine at a serious risk of damage.

What color is fuel smoke from exhaust?

Black Exhaust: Black exhaust smoke is an indication of a rich fuel condition. These are possible causes: Fuel Injectors: A leaking or dripping fuel injector will cause a rich fuel condition.

What does it mean when you have black smoke coming out of your exhaust?

Black exhaust smoke can appear when the vehicle is burning too much fuel. This could be caused by a clogged air filter, malfunctioning fuel injection system, a blocked manifold, or a variety of other issues. Have your vehicle checked out by a technician to see why your vehicle is burning more fuel than usual.

What does it mean when black smoke comes out of your exhaust?

What causes black smoke from exhaust?

there are chances that sufficient air amount is not reaching the cylinder.

  • which means the fine droplets of fuel are spreading equally in the cylinder.
  • Faulty MAF Sensors.
  • Bad EGR Valve.
  • Damaged Piston Rings.
  • What causes smoke coming from exhaust pipe?

    Oil, transmission fluid and antifreeze are the three fluids most likely to be the cause of white smoke coming from your exhaust. Ruptured seals, leaky bolts and blown gaskets can expose oil to hot spots, making it burn.

    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.

    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.