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Home >> Cadillac >> 1997 >> DeVille Concours V8-4.6L VIN 9 >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Engine Lubrication >> Oil Pressure Gauge >> Description and Operation

Oil Pressure Gauge: Description and Operation

The OIL PRESSURE indicator is illuminated by the IPC whenever a low oil pressure condition exists via Class 2 serial data bus message request from the PCM.
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