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Home >> GMC Truck >> 1989 >> R 2500 P/U 2WD V8-454 7.4L >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Sensors and Switches - Engine >> Oil Pressure Sensor >> Testing and Inspection

Oil Pressure Sensor: Testing and Inspection

Refer to DIAGNOSTIC CHARTS/FUEL PUMP RELAY CIRCUIT DIAGNOSIS (CHART A-5), for fuel related oil pressure switch problems.

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