P2248 Code - O2 Sensor Reference Voltage Performance Bank 2 Sensor 1
Quick Answer
The O2 Sensor Reference Voltage Performance Bank 2 Sensor 1 diagnostic trouble code (DTC) P2248 indicates that there is an issue with the oxygen sensor's reference voltage in the second bank of the engine, specifically the first sensor in that bank. Common causes include Faulty oxygen sensor, Wiring or connector issues, ECM malfunction. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
- What it means
- P2248 indicates O2 Sensor Reference Voltage Performance Bank 2 Sensor 1.
- Common causes
- Common causes include Faulty oxygen sensor, Wiring or connector issues, ECM malfunction.
- Severity
- Moderate - service should be scheduled soon.
- Can I drive?
- The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
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Code P2248 Description
The O2 Sensor Reference Voltage Performance Bank 2 Sensor 1 diagnostic trouble code (DTC) P2248 indicates that there is an issue with the oxygen sensor's reference voltage in the second bank of the engine, specifically the first sensor in that bank. The oxygen sensor plays a crucial role in monitoring the oxygen content in the exhaust gases, which helps the engine control module (ECM) adjust the air-fuel mixture for optimal combustion. This reference voltage is important for the sensor to accurately measure the oxygen levels in the exhaust.
Common Causes of P2248
- Faulty oxygen sensor
- Wiring or connector issues
- ECM malfunction
- Power supply problems
Symptoms of P2248
- Decreased fuel efficiency
- Rough idling or engine misfires
- Hesitation or stalling during acceleration
- Increased emissions
- Check Engine Light illuminated on the dashboard
How to Fix P2248
- Use an OBD-II scanner to retrieve and document the trouble codes.
- Inspect the wiring and connectors related to the oxygen sensor for any damage or corrosion.
- Test the oxygen sensor's reference voltage and replace it if necessary.
- Clear the codes and perform a test drive to ensure the issue has been resolved.
Cost to Fix P2248
The typical repair costs for addressing the O2 Sensor Reference Voltage Performance Bank 2 Sensor 1 issue can range from $200 to $500, including parts and labor. It is important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It is advisable to check local rates for a more accurate estimate.
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Code P2248 Information for Specific Makes
- P2248 Acura — O2 Sensor Reference Voltage Performance Bank 2 Sensor 1
- P2248 Dodge — O2 Sensor Reference Voltage Performance Bank 2 Sensor 1
- P2248 Ford — O2 Sensor Reference Voltage Performance Bank 2 Sensor 1
- P2248 Honda — O2 Sensor Reference Voltage Performance Bank 2 Sensor 1
- P2248 Hyundai — O2 Sensor Reference Voltage Performance Bank 2 Sensor 1
- P2248 KIA — O2 Sensor Reference Voltage Performance Bank 2 Sensor 1
- P2248 Lincoln — O2 Sensor Reference Voltage Performance Bank 2 Sensor 1
- P2248 Mercury — O2 Sensor Reference Voltage Performance Bank 2 Sensor 1
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