Mitsubishi Diamante:  Oil On Spark Plug Causes

If you’ve found oil on your Mitsubishi Diamante’s spark plug, it should be a cause for concern. It doesn’t necessarily indicate a major engine problem.  When there is oil on the spark plugs is usually caused by a bad valve cover gasket or O-Ring (overhead cam engines).  There can be other causes as well. Any … Read moreMitsubishi Diamante:  Oil On Spark Plug Causes

Oldsmobile Silhouette:  Oil On Spark Plug Causes

If you’ve found oil on your Oldsmobile Silhouette’s spark plug, it should be a cause for concern. It doesn’t necessarily indicate a major engine problem.  When there is oil on the spark plugs is usually caused by a bad valve cover gasket or O-Ring (overhead cam engines).  There can be other causes as well. Any … Read moreOldsmobile Silhouette:  Oil On Spark Plug Causes