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On Board Diagnosis Logic
NGEC1052
This diagnosis checks whether the engine coolant temperature is
extraordinary high, even when the load is not heavy.
When malfunction is detected, the malfunction indicator lamp (MIL)
will light up even in the first trip.
Malfunction is detected when engine coolant temperature is exces-
sively high under normal engine speed.
Possible Cause
NGEC1053
쐌 Cooling fan (Crankshaft driven)
쐌 Thermostat
쐌 Improper ignition timing
쐌 Engine coolant temperature sensor
쐌 Blocked radiator
쐌 Blocked front end (Improper fitting of nose mask)
쐌 Crushed vehicle frontal area (Vehicle frontal is collided but not
repaired)
쐌 Blocked air passage by improper installation of front fog lamp
or fog lamps.
쐌 Improper mixture ratio of coolant
쐌 Damaged bumper
For more information, refer to “MAIN 12 CAUSES OF
OVERHEATING”, EC-926.
DTC P0217 COOLANT OVERTEMPERATURE ENRICHMENT
PROTECTION (WITHOUT ELECTRIC COOLING FAN)
VG33E
On Board Diagnosis Logic
EC-920
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