Fault Code P2091
Code meaning, symptoms, possible causes, part number, and estimated cost.
P2091
Bank 1 Sensor 2 Lean Trim Limit
This code indicates that the fuel/air mixture is too lean (Lean) in Bank 1, Sensor 2, meaning the sensor behind the catalytic converter. There might be a vacuum leak or sensor failure.
Part Details
Part Name
Oxygen Sensor
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪350 - ₪950
Engine Location
Exhaust pipe
Symptoms
- Check Engine Light illuminated
- Increased fuel consumption
- Poor engine performance
- Strong exhaust odor
Possible Causes
- 1Faulty oxygen sensor
- 2Vacuum leak
- 3Clogged fuel injectors
- 4Low fuel pressure
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