Black smoke is an indication of an overly rich fuel/air mixture. Your check engine light should be on with this condition. You can ruin the O2 sensor and the catalytic converter if you do not get this repaired ASAP.
Black smoke from the exhaust is a sign of an overly rich fuel/air mixture. This can ruin your catalytic converter, plus it hurts your mileage, so get this repaired asap.
how can i get black exhaust smoke stuck on my dual exhaust
emissions and exhaust
rings are bad
Black smoke = Overly rich fuel/air mixture. Blue smoke = Oil burning. White smoke = Coolant entering the combustion chamber.
oil leaked past the rings and into the cylinder, when you started your vehicle, that oil burned off
It is buring oil this is a wrong answer whe engine burn oil to the exhaust smoke is a heavy white smoke no black
White smoke = Coolant entering the combustion chamber Blue smoke = Oil burning Black smoke = Overly rich fuel/air mixture
Service engine
Unburnt fuel.
Black smoke from the exhaust it a symptom of an overly rich fuel/air mixture. Have this repaired or it will destroy your O2 sensor and catalytic converter.
Depends on the color of the smoke. Blue smoke-oil. Black smoke-unburnt fuel.