See also:

Fuel Economy
Improving Fuel Economy Fuel economy depends on several conditions, including driving conditions, your driving habits, the condition of your vehicle, and loading. Depending on these and other co ...

If the Malfunction Indicator Lamp Comes On or Blinks
Reasons for indicator lamp to come on or blink • Comes on when there is a problem with the engine emissions control system, or the fuel fill cap is missing, or loose. • Blinks when engine mis ...

Emissions Testing
Testing of Readiness Codes Your vehicle uses “readiness codes,” as part of its onboard self diagnostic system. Some states refer to these codes during testing to see if your vehicle's emis ...