How do I stop my engine from knocking? Change Oil and Filter. The first step is an oil change. Use High Octane Fuel. Add Fuel Detergent. Clean the Combustion Chamber. Check or Replace the Spark Plugs. Reduce Intake Charge Density/Temperature. Increase Engine Speed. Replace Knock Sensor. via Post navigation 2020 Nissan Sentra Front Bumper Battery Terminal 3 Way
