When your engine knocks or pings, it is a sign that the engine is firing at the wrong time. This could be because of bad ignition timing, an incorrect grade of gas, or another ignition or fuel system fault.
Car OBD Codes, OBD-II Codes, Error Codes
When your engine knocks or pings, it is a sign that the engine is firing at the wrong time. This could be because of bad ignition timing, an incorrect grade of gas, or another ignition or fuel system fault.