What does blue smoke coming from the vehicle's exhaust generally mean?
- A The engine is overheating.
- B The catalytic converter is worn out.
- C The engine is burning oil.
- D The air filter needs to be replaced.
Show answer & explanation
Correct answer: The engine is burning oil..
A vehicle can give off blue smoke from the exhaust when it is burning oil. Poor maintenance and worn engines are typical causes. This blue smoke is harmful to the environment and may be costly. Drivers should have the vehicle checked by a competent person.
A vehicle can give off blue smoke from the exhaust when it is burning oil. Poor maintenance and worn engines are typical causes. This blue smoke is harmful to the environment and may be costly. Drivers should have the vehicle checked by a competent person.