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    2007 Pontiac Grand Prix 3.8L SFI OHV 6cyl

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    1720 S RIDGEWOOD A
    (386) 427-1210

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    EGR Position Sensor

    EGR Position Sensor Operation:

    This sensor, located on top of the EGR valve, monitors the position of the EGR valve needle. By monitoring the valve's diaphragm position, the engine control computer determines when to open and close the valve for minimum exhaust emissions, maximum engine efficiency and premium performance.

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