Fault Code P0165
Code meaning, symptoms, possible causes, part number, and estimated cost.
P0165
O2 Sensor Circuit Slow Response (Bank 2 Sensor 3)
The bank 2 sensor 3 oxygen sensor responds too slowly. Most 4-cylinder cars have no bank 2, and few cars have a sensor 3 — if this code appears on such a car, the scanner most likely misread it and you should scan again.
Part Details
Part Name
Rear oxygen sensor (O2 Sensor)
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪250 - ₪800
Engine Location
Exhaust pipe, after the catalytic converter — bank 2 side
Symptoms
- Check Engine light on
- Usually no noticeable effect on driving
Possible Causes
- 1Aging oxygen sensor
- 2Contaminated sensor
- 3Exhaust leak
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