Fault Code P0031
Code meaning, symptoms, possible causes, part number, and estimated cost.
P0031
HO2S Heater Control Circuit Low (Bank 1 Sensor 1)
Low voltage in oxygen sensor heater circuit Bank 1 Sensor 1.
Part Details
Part Name
O2 Sensor
Reference P/N (OEM)
89467-33080
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪200 - ₪500
Engine Location
Exhaust pipe — before the converter
Symptoms
- High fuel consumption
- Increased emissions
Possible Causes
- 1Faulty oxygen sensor
- 2Open wiring
- 3Poor grounding
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