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쐌 Blocked or bent rubber tube to EVAP control system pressure
sensor
쐌 Loose or disconnected rubber tube
쐌 EVAP canister vent control valve and the circuit
쐌 EVAP canister purge volume control solenoid valve and the
circuit
쐌 Absolute pressure sensor
쐌 Fuel tank temperature sensor
쐌 O-ring of EVAP canister vent control valve is missing or dam-
aged.
쐌 Water separator
쐌 EVAP canister is saturated with water.
쐌 EVAP control system pressure sensor
쐌 Fuel level sensor and the circuit.
쐌 Refueling EVAP vapor cut
쐌 ORVR system leaks
DTC P0440 EVAP CONTROL SYSTEM (SMALL LEAK)
(NEGATIVE PRESSURE)
VG33E
On Board Diagnosis Logic (Cont’d)
EC-959
GI
MA
EM
LC
FE
CL
MT
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
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