What are Thunderbird COPs and what do I do when they fail? COP is an abbreviation for ‘Coil on Plug.’ It is a combination of a standard spark plug and an ignition coil, built in…
What are Thunderbird COPs and what do I do when they fail? COP is an abbreviation for ‘Coil on Plug.’ It is a combination of a standard spark plug and an ignition coil, built in…