Visually Inspect Fuel Tank Cap; Charcoal Canister Inspection; Check For Clogged Filter And Stuck Check Valve; Clean Filter In Canister - Toyota 22R-E Service Manual

ENGINE – EMISSION CONTROL SYSTEMS

3. VISUALLY INSPECT FUEL TANK CAP

Look for a damaged or deformed gasket and cap. If
necessary, repair or replace the cap.

CHARCOAL CANISTER INSPECTION

1. REMOVE CHARCOAL CANISTER
2. VISUALLY INSPECT CHARCOAL CANISTER CASE
Look for cracks or damage.
3. CHECK FOR CLOGGED FILTER AND STUCK CHECK
VALVE
(a) Using low pressure compressed air,blow air into the
tank pipe and check that the air flows without re–
sistance from the other pipes.
(b) Blow into the purge pipe and check that the air does
not flow from the other pipes.
If a problem is found, replace the charcoal canister.

4. CLEAN FILTER IN CANISTER

Clean the filter by blowing 294 kPa(3 kgf/cm
of compressed air into the tank pipe, while holding the
purge pipe closed.
HINT:
Do not attempt to wash the canister.
No activated carbon should come out.
5. INSTALL CHARCOAL CANISTER
EG1–87
2
,43psi)