K 2500 Truck 4WD V8-379 6.2L DSL VIN C FI (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.
