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Subaru
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2001
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Impreza 2.5 RS Sedan AWD F4-2.5L SOHC
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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P Code Charts
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P1490
P1490
DTC DETECTING CONDITION
Immediately at fault recognition
TROUBLE SYMPTOM
Thermostat remains open.
Step 1 - 4:
CAUTION:
After repair or replacement of faulty parts, conduct CLEAR MEMORY MODE
and INSPECTION MODE
.