B Series Truck 2WD L4-2184cc 2.2L 2200 2-bbl (1990)
Fuel Pressure Release: Service and Repair
1.
Relieve fuel system pressure by starting engine with fuel pump relay (circuit open relay) disconnected and let run until engine dies, then slowly
and carefully remove hose on outlet side of fuel filter. Cover with a clean rag while removing hose, to avoid spraying fuel in your face.
