P2248
O2 Sensor Reference Voltage Performance Bank 2 Sensor 1
P2248 is an OBD-II diagnostic trouble code meaning: O2 Sensor Reference Voltage Performance Bank 2 Sensor 1. Common causes: oxygen sensor malfunction, damaged or corroded wiring. Estimated repair cost: $17–56.
Symptoms
- Increased fuel consumption
- Unstable engine operation
- Check Engine Light Is On
- Increased emissions of harmful substances
- Reduced engine power
Causes
- Oxygen sensor malfunction
- Damaged or corroded wiring
- Poor contact in connectors
- Engine control module (ECU) malfunction
- Grounding problems
How to Fix
- Check the condition of the oxygen sensor
- Inspect wiring and connectors for damage
- Check sensor reference voltage
- Replace sensor if necessary
- Check and, if necessary, replace the engine control module
Related codes
Error P2248 by Vehicle Brand
FAQ
What does the P2248 code mean?
P2248 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Reference Voltage Performance Bank 2 Sensor 1
What causes a P2248 error code?
The most common causes of P2248 include: Oxygen sensor malfunction; Damaged or corroded wiring; Poor contact in connectors; Engine control module (ECU) malfunction.
How do I fix a P2248 diagnostic trouble code?
To fix P2248: Check the condition of the oxygen sensor. Inspect wiring and connectors for damage. Check sensor reference voltage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2248?
Yes, but get it checked soon
How much does it cost to fix P2248?
The estimated repair cost for P2248 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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