The knock / rattle is the Engine management computer adjusting emissions. It is totally normal and clears up about 30 seconds after a cold start. if you let it idle a while it will appear again as the computer adjusts emissions. Don't worry about it.
The knock / rattle is the Engine management computer adjusting emissions. It is totally normal and clears up about 30 seconds after a cold start. if you let it idle a while it will appear again as the computer adjusts emissions. Don't worry about it.
AbacoBahamaMan 1 year ago