Suggestions on a postcard please ![Click here to enlarge]()
Pulled the plugs after the misfires coming back up from the Med last month and the back 3 are noticeably blacker than the front 3.
Oxygen sensor maybe? Going to order some iridium plugs and see if that helps. Anything else to look at?

Pulled the plugs after the misfires coming back up from the Med last month and the back 3 are noticeably blacker than the front 3.
Oxygen sensor maybe? Going to order some iridium plugs and see if that helps. Anything else to look at?