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AEC630A
INSPECTION
NGEC0540
EVAP Canister
NGEC0540S01
Check EVAP canister as follows:
1. Pinch the fresh air hose.
2. Blow air into port A and check that it flows freely out of port B.
AEC631A
Tightening Torque
NGEC0540S02
Tighten EVAP canister as shown in the figure.
Make sure new O-ring is installed properly between EVAP can-
ister and EVAP canister vent control valve.
SEF445Y
SEF943S
Fuel Tank Vacuum Relief Valve (Built into fuel filler cap)
NGEC0540S03
1. Wipe clean valve housing.
2. Check valve opening pressure and vacuum.
Pressure:
15.3 - 20.0 kPa (0.156 - 0.204 kg/cm
2
, 2.22 - 2.90 psi)
Vacuum:
−6.0 to −3.3 kPa (−0.061 to −0.034 kg/cm
2
, −0.87 to
−0.48 psi)
3. If out of specification, replace fuel filler cap as an assembly.
CAUTION:
Use only a genuine fuel filler cap as a replacement. If an incor-
rect fuel filler cap is used, the MIL may come ON
Vacuum Cut Valve and Vacuum Cut Valve Bypass Valve
NGEC0540S04
Refer to EC-1141.
Evaporative Emission (EVAP) Canister Purge Volume
Control Solenoid Valve
NGEC0540S05
Refer to EC-973.
Tank Fuel Temperature Sensor
NGEC0540S06
Refer to EC-901.
ENGINE AND EMISSION BASIC CONTROL SYSTEM
DESCRIPTION
VG33E
Evaporative Emission System (Cont’d)
EC-620
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