K 2500 Truck 4WD V8-379 6.2L DSL VIN C FI (1989)
Water In Fuel Indicator: Description and Operation
The Water In Fuel warning system employs a fuel detector integral with the fuel filter and fuel heater and mounted on the engine. When 2.2 ounces of
water more has collected in the filter, the Water In Fuel lamp on the instrument panel will light. After the light comes on, the filter should be drained as
soon as possible and must be drained within 2 hours of operation.
