P22B7
O2 Sensor Pumping Current Trim Circuit High Bank 1 Sensor 2
P22B7 is an OBD-II diagnostic trouble code meaning: O2 Sensor Pumping Current Trim Circuit High Bank 1 Sensor 2. Common causes: oxygen sensor malfunction (bank 1, sensor 2), damaged or corroded wiring. Estimated repair cost: $28–89.
Symptoms
- Check Engine light comes on
- Increased fuel consumption
- Unstable engine operation
- Reduced engine power
- Increased emissions of harmful substances
Causes
- Oxygen sensor malfunction (bank 1, sensor 2)
- Damaged or corroded wiring
- Poor contact in connectors
- Problems with the engine ECU
- Short circuit in the pump control circuit
How to Fix
- Check the condition of the oxygen sensor
- Inspect wiring and connectors for damage
- Check resistance and continuity
- If necessary, replace the oxygen sensor
- Test the operation of the ECU
Related codes
Error P22B7 by Vehicle Brand
FAQ
What does the P22B7 code mean?
P22B7 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Pumping Current Trim Circuit High Bank 1 Sensor 2
What causes a P22B7 error code?
The most common causes of P22B7 include: Oxygen sensor malfunction (bank 1, sensor 2); Damaged or corroded wiring; Poor contact in connectors; Problems with the engine ECU.
How do I fix a P22B7 diagnostic trouble code?
To fix P22B7: Check the condition of the oxygen sensor. Inspect wiring and connectors for damage. Check resistance and continuity. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P22B7?
Yes, but get it checked soon
How much does it cost to fix P22B7?
The estimated repair cost for P22B7 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat