Question 3346
Is it advisable to have your vehicle's condition thoroughly checked if the smoke coming from the exhaust pipe is black?
- Yes, because in this case it may be due to poor combustion.
- No, because it is only a cooling problem that usually goes away.
- Yes, because the engine may be burning too much oil.
Show answer and explanation
Correct answer: Yes, because in this case it may be due to poor combustion.
Black smoke may indicate an overly rich fuel mixture and poor combustion. It is therefore advisable to have the engine and its fuel system checked.