6E1-34 ENGINE AND EMISSION CONTROL SYSTEM (TBI FOR G10)
1. Tank pipe
2. Purge pipe
3. Air pipe
4. Blow air
1. Tank pressure
control valve
2. Orange side
3. Black side
4. To canister
5. From fuel tank
EVAP CANISTER INSPECTION
WARNING:
DO NOT SUCK nozzles on EVAP canister. Fuel vapor inside
EVAP canister is harmful.
1) Disconnect vacuum hoses from EVAP canister and remove
EVAP canister.
2) When air is blown into tank pipe, there should be no restriction
of flow through purge pipe and air pipe.
If operation differs from above description, EVAP canister must
be replaced.
3) Install EVAP canister and connect hoses to canister.
TANK PRESSURE CONTROL VALVE INSPECTION
WARNING:
DO NOT SUCK air through tank pressure control valve.
Fuel vapor inside the valve is harmful.
1) Remove tank pressure control valve.
2) Air should pass through valve smoothly from fuel tank side
(black side of tank pressure control valve) to orange side when
blown hard.
3) From orange side, even when blown softly, air should come out
of black side.
4) If air doesn’t pass though valve in step 2) or hard blow is required
in step 3), replace tank pressure control valve.
5) Install tank pressure control valve.
NOTE:
When connecting tank pressure control valve between
hoses, refer to figure at the left for installing direction.
PCV SYSTEM
NOTE:
Be sure to check that there is no obstruction in PCV valve or
its hoses before adjusting engine idle speed, for obstructed
PCV valve or hose hampers its accurate adjustment.
PCV HOSE INSPECTION
Check hoses for connection, leakage, clog and deterioration.
Replace as necessary.
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