K 2500 Truck 4WD V8-379 6.2L DSL VIN C FI (1989)
Oil Pressure Gauge: Testing and Inspection
Gauge Reads ``80'' or Above
1.
Disconnect lead from sensor, then ground lead.
2.
Gauge should read ``0'' psi. If gauge read ``0'' replace replace sensor, and if gauge reads ``80'' psi, check for short between sensor and gauge.
