C 1500 Truck 2WD V8-350 5.7L (1989)
Oil Pressure Gauge: Testing and Inspection
Gauge Readings Are Inaccurate
1.
Remove lead from sensor, then connect tester J 33431-A or equivalent to sensor lead and ground.
2.
If gauge responds accurately to tester, replace sensor.
3.
If gauge does not respond accurately to tester, replace cluster.
