Nissan Versa (N17): Engine maintenance

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Increasing fuel economy
Keep your engine tuned up. Follow the recommended scheduled maintenance. Keep the tires inflated to the correct pressure. Low tire pressure increases tire wear and lowers fuel economy. Keep the wheels in correct alignment. Improper alignment increases tire wear and lowers fuel eco ...

Intake valve timing control
Intake valve timing control : System Diagram Intake valve timing control : system description INPUT/OUTPUT SIGNAL CHART Sensor Input signal to ECM ECM function Actuator Crankshaft position sensor (POS) Engine speed*1 Piston position Intake valve timing con ...