210 L4-1397cc 1.4L (A14) (1982)
Fuel Check Valve: Testing and Inspection
Except 1979-8O 280ZX
1. Blow air through connector on fuel tank side. A considerable resistance should be felt.
2. Blow air through connector on engine side. Air should flow smoothly.
3. If valve is not functioning properly, replace it.
Fig. 167 - Fuel Check Valve With Vacuum, Relief Valve
Fuel Check Valve With Vacuum Relief Valve, 1979-80 28OZX
1. Remove check valve from car.
2. Suck air through port "A", Fig. 167. A large air flow should be felt when sucked forcibly and no air flow should be felt when sucked softly.
3. Suck air through port "B". A large air flow should be felt when sucked forcibly and no air flow should be felt when sucked softly.
4. Suck air through port "B" while closing port "A". A large air flow should be felt when sucked forcibly and no air flow should be felt when sucked
softly.
5. If air flow is not as described, replace valve.