Honda 2002 Accord Manual page 437

Connect a second vacuum pump to the fuel tank
vapor signal tube (A).
A 9 7 3 X - 0 4 1
X X X X X
Apply vacuum to the fuel tank vapor signal
tube, then check the vacuum on the pump in
step 6.
• If the vacuum holds, replace the fuel tank vapor
control valve (see page 11-162).
• If the vacuum is released, the EVAP canister vent
shut valve is OK. Go to step 10.
9. Fill the fuel tank with fuel, then check for fuel in the
two way valve and fuel tank vapor recirculation
hose (B).
NOTE: At either location, tiny droplets of fuel are
normal.
• If fuel runs out of the hoses at either location,
replace the fuel tank vapor control valve.
• If fuel does not run out of the hoses at either
location, the fuel tank vapor control system is
normal.
10. Disconnect the fuel tank vapor hose quick
disconnect from the EVAP canister, then plug the
port on the canister. Reapply vacuum (80 pumps).
• If the vacuum holds, replace the fuel tank vapor
vent shut valve (see page 11-162).
• If the vacuum does not hold,inspect the EVAP
canister vent shut valve O-ring. If the O-ring is OK,
replace the EVAP canister and repeat step 4.
11-161