NSX V6-3.2L DOHC (2001)
Refueling Control Valve: Testing and Inspection
Valve Test
1. Make sure the fuel tank is less than half full.
2. Remove the fuel fill cap.
3. Remove the fuel hose joint protector. Disconnect the ORVR signal tube.
4. Disconnect the vacuum hose from the EVAP control canister, and then plug the port with a cap.
5. Disconnect the vacuum hose from the EVAP control canister vent shut valve, and connect a vacuum pump to the vacuum hose.
6. Pump the vacuum pump 80 times.
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If the vacuum holds, go to step 7.
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If the vacuum does not hold, go to step 9.
