October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

2-Way Check Valve

Remove 2-Way check valve, located in line from fuel tank to fuel evaporation canister. Blow air from Black side (fuel tank side) of check valve. Air should pass through check valve with slight resistance. Blow through Orange side (canister side) of check valve. Air should pass easily through check valve. if air passes easily from Black side or does not pass at all in both directions., replace check valve.