You’re A Mechanic If You Can Pass This Essential Car Maintenance Quiz

Which of the following does not improve fuel efficiency?

8%
FRANCE-PETROL
Retry Correct Incorrect Even though the air conditioner takes significant power from the engine, if you turn it off and open the windows, the increased aerodynamic drag will lead to even more fuel burn.
FRED TANNEAU/AFP via Getty Images
FRED TANNEAU/AFP via Getty Images

Which of the following does not improve fuel efficiency?

  • Keeping the air conditioner off
  • Using the recommended engine oil
  • Using the recommended tires
  • Keeping the air conditioner on
8%

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