MDX V6-3471cc 3.5L (2002)
4. Disconnect the vacuum hoses (A) from the EVAP canister (B), then plug the ports with plugs (C).
5. Disconnect the vacuum hose (D) from the EVAP canister vent shut valve (E), and connect a vacuum pump to the vacuum hose.
6. Pump the vacuum pump 80 times.
-
If the vacuum holds, go to step 7.
-
If the vacuum does not hold, go to step 10.
7. Connect a second vacuum pump to the fuel tank vapor signal tube (A).
8. Apply vacuum (1 pump) to the fuel tank vapor signal tube (A), then check the vacuum on the pump in step 6.
-
If the vacuum holds, replace the fuel tank vapor control valve.
-
If the vacuum is released, the EVAP canister vent shut valve is OK. Go to step 9.
