Summerize your car

Replace Spark Plugs –This is a relatively simple, but important, fix either as a DIY project or by your local repair shop, who usually replace spark plugs as part of the 30k, 60k, or 100k service depending on the vehicle. A check engine light should come on when there is a misfire, indicating a spark plug issue. Misfiring spark plugs can reduce fuel efficiency by as much as 30 percent, or $.75/gallon. Replacing them improves combustion and reduces emissions