Regardless of the type of spark plug used by your car, chances are high that without proper engine maintenance, you could experience spark plug fouling. Fouled spark plugs cause misfires, rough idle, ...

Subject says it all. An old 70's Toyota pickup, for my SO's daughter to use to get to archeological dig site. Bought for a pittance with only 74K, it got home OK, but didn't run after that. I know it ...

1 Spark plugs with light tan or gray color deposits usually indicate a sound engine and ignition system. Plugs within this color range can have normal electrode wear of about. 005-to. 008-inch, which ...