WHY YOU SHOULD CHANGE YOUR SPARK PLUGS Jul 1, 2017 4:44:47 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by tonynaths247 on Jul 1, 2017 4:44:47 GMT -5 Changing the spark plugs is a way of assuring top efficiency and performance. The misfires that may occur will increase exhaust emission as well as harm gas mileage.
