Pre-ignition is caused by the spontaneous combustion of the mixture before the end of the compression stroke, and is due to
A
Cylinder walls being too hot
B
Overheated spark plug points
C
Red hot carbon deposits on cylinder walls
D
Any one of these
Correct Answer: Any one of these
Pre-ignition is caused by the spontaneous combustion of the mixture before the end of the compression stroke, and is due to- Cylinder walls being too hot
- Overheated spark plug points
- Red hot carbon deposits on cylinder walls