In most cases lack of lubrication is the initial cause of engine knock. Before checking engine for knock, check oil level is correct.
Click on the link to read the complete article Trouble Shooting Noisy Engines August 2013
In most cases lack of lubrication is the initial cause of engine knock. Before checking engine for knock, check oil level is correct.
Click on the link to read the complete article Trouble Shooting Noisy Engines August 2013