Checking Heavy Knock Control

Checking Heavy Knock Control







- The cause of the poor power output is intensified knock control.
- Check the condition and heat range of the spark plugs.
- Check the type of petrol used. The octane rating indicates the petrol's resistance to knocking.
- Check that the engine does not overheat.












- Check the fuel pressure, pressure drop and flow rate

After performing this procedure Diagnostic Procedure - III