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Home >> Pontiac >> 2000 >> Grand Prix V6-3.8L SC VIN 1 >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Engine Control Module >> Description and Operation >> PCM Controlled Warning Lamps >> Change Oil Lamp
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Change Oil Lamp

The PCM commands the Oil Life Monitor lamp ON when an oil change is required. The PCM calculates remaining oil life based on total engine revolutions and calculated engine oil temperature for each startup since the Oil Life monitor was reset.
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