Bought this car second hand, they apparently put iridium spark plugs in, but i want to know if I should be concerned with the buildup and rusty appearance it’s developed. For all I know this spark plug could be from 10 years ago.
Do I need to replace the plugs, and is that actually rust? Does this mean I have an issue with my head gasket?
Edit: Thanks guys! I’ll be ordering some new plugs soon.
Just put it back in and wait for the P0300 to pop up. The car will tell you when it’s time lol.