a black cloud coming it goes dark and darker still

This could be caused by a clogged air filter, malfunctioning fuel injection system, a blocked manifold, or a variety of other issues. Help your technician diagnose the issue by taking note of when the blue smoke occurs, then head to your nearest Firestone Complete Auto Care!īlack exhaust smoke can appear when the vehicle is burning too much fuel. Either way, something is damaged that shouldn't be. During deceleration, however, blue smoke means the cylinder heads’ valve guides are damaged. Pro-Tip: Blue smoke during acceleration means your vehicle’s piston rings may be damaged. The leak could be caused by several issues like leaking valve seals, damaged piston rings, or worn cylinder walls.

Time to have a qualified technician check things out. Blue or gray exhaust smokeīlue/gray exhaust smoke means there's likely an oil leak and your engine is burning oil. Light or thin white exhaust smoke is common in vehicles. This happens because condensation naturally collects in the exhaust system. You’ll notice it the first time you start your car, especially if it's a cold day. Light or thin white exhaust smoke is typically water vapor. The following information is geared towards gasoline engines and may not be appropriate for your vehicle.) Car Exhaust Smoke Colors Light or thin white exhaust smoke

(Psst! If you have a diesel engine, please consult with a technician. Before your next drive has a chance to 'go up in smoke,' review the car exhaust color coding below to help you determine if it may be time for an oil leak repair, an engine tune-up, a coolant check, or something more serious. Green means “go.” Yellow means “caution.” Red means “stop.” Traffic lights are supposed to change color, but what does it mean if your car’s exhaust starts swapping shades? It could mean nothing, or it could be a sign that there's a problem you need to have checked out. You understand certain colors when it comes to driving.

A black cloud coming it goes dark and darker still