2016 Mercedes-Benz AMG GT S Used Cars in Charlotte, NC 28212. Avg. Dealer Rating: (5 reviews) They have been so great, answered all of my questions and very patient with me when I wasn't immediately responsive due to illness. They worked everything out for an out-of-state sale.
By examining the spark plugâs insulator color, even a less-than-mechanically-inclined person can determine valuable information about the engineâs overall operating condition. Normal: Grey to Light Golden-Brown Color. This condition is ideal, the spark plug and engine air/fuel mixture are operating properly.
1. Disconnect the spark plug lead. Then, clean the area around the spark plug to avoid getting debris in the combustion chamber when you remove the plug. 2. Remove the spark plug using a spark plug socket. 3. Clean light deposits from the plug with a wire brush and spray-on plug cleaner.Then, if necessary, use a sturdy knife to scrape off tough deposits. NOTE: Never clean a spark plug with a shot blaster or abrasives.. Remove the spark plug using a spark plug socket. 3. Clean light deposits from the plug with a wire brush and spray-on plug cleaner. Then, if necessary, use a sturdy knife to scrape off tough deposits. NOTE: Never clean a spark plug with a shot blaster or abrasives.