B Series Truck 2WD L4-2184cc 2.2L 2200 2-bbl (1990)
Two Way Check Valve
2.
Blow through the valve from "A" and check that airflows.
3.
Blow through the valve from "B" and check that air does not flow.
CHECK-AND-CUT VALVE
1.
Remove the check-and-cut valve.
Check And Cut Valve Testing
2.
Connect a pressure gauge to the passage connected to the fuel tank.
3.
Blow through the valve from port "A" and verify that the valve opens at 5.39-6.87 kPa (0.055-0.07 kg/sq cm, 0.78-1.00 psi).
4.
Remove the pressure gauge and connect it to the passage to atmosphere.
5.
Blow through the valve from port "B" and verify that the valve opens at 0.98-4.91 kPa (0.01 -0.05 kg/sq cm, 0.14-0.71 psi).
NOTE: The test must be performed with the valve held horizontally. Otherwise, the ball in the valve will move out of position and close the
passage.
CHARCOAL CANISTER
Charcoal Canister
Visually check for damage and replace the charcoal canister if necessary.
