This week, master mechanic Stan Andrewski of Certified Auto Repair, 8401 Oakview Ave in Henrico, discusses keeping your car’s AC cool during these hot summer days, should you be changing your oil after 10,000 miles with the newer blends, a caller’s car won’t pass inspection due to a check engine light, and what’s the difference between a diesel and gas engine. Have a question for Stan? Call 804-553-9777.

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