Spark Plug Looks Rusty at eunicewjameso blog

Spark Plug Looks Rusty. Only use the wire brush in reverse, not in a.in general, a light tan/gray color tells you that the spark plug is operating at optimum temperature and that the engine is in good.

rusty spark plugs Harley Davidson Forums
from www.hdforums.com

Only use the wire brush in reverse, not in a.plug the hole with this, then you could use a rotary wire brush to clean the hole.in general, a light tan/gray color tells you that the spark plug is operating at optimum temperature and that the engine is in good.

rusty spark plugs Harley Davidson Forums

Spark Plug Looks Rusty If the check engine light is flashing, the spark plugs may be bad. If the check engine light is flashing, the spark plugs may be bad. Look for rust or corrosion on the plug’s metal parts, as it can hinder electrical conductivity.when reading spark plugs, you will likely find one of the following conditions: