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.
When to change spark plugs (6 tell tale signs) Spark plugs are an integral part of your vehicles motor as they provide the much needed spark that ignites the air and fuel mixture within the cylinders. This continuous ignition is what keeps your car moving on the road. If spark plugs are not checked with regular services, cleaned or changed when necessary, they can cause problems to occur with the vehicles engine. Below are six signs for when to change your spark plugs: Your engine idles when it is a stationary and in this position the engine normally produces around 1000rpm.