P2273 Mercury Code - Oxygen Sensor Signal Stuck Rich Bank 2 Sensor 2
Quick Answer
The P2273 code for a Mercury vehicle indicates that the oxygen sensor signal for Bank 2 Sensor 2 is stuck rich. Common causes include Faulty oxygen sensor, Vacuum leak, Malfunctioning fuel pressure regulator. 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
- P2273 Mercury indicates Oxygen Sensor Signal Stuck Rich Bank 2 Sensor 2.
- Common causes
- Common causes include Faulty oxygen sensor, Vacuum leak, Malfunctioning fuel pressure regulator.
- 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 P2273 Mercury Description
The P2273 code for a Mercury vehicle indicates that the oxygen sensor signal for Bank 2 Sensor 2 is stuck rich. This means that the oxygen sensor located downstream of the catalytic converter on the second bank of the engine is sending a signal indicating that the air-fuel mixture is too rich. This can lead to a variety of performance issues and potential damage to the vehicle if not addressed promptly.
Common Causes of P2273 Mercury
- Faulty oxygen sensor
- Vacuum leak
- Malfunctioning fuel pressure regulator
- Clogged fuel injector
- ECM issue
Symptoms of P2273 Mercury
- Decreased fuel efficiency
- Engine misfires
- Rough idling
- Check Engine Light illuminated
- Strong odor of fuel from the exhaust
How to Fix P2273 Mercury
- Diagnose the specific cause of the rich signal using a scan tool to retrieve live data from the oxygen sensor.
- Inspect the oxygen sensor wiring and connector for any damage or corrosion. Replace if necessary.
- Check for vacuum leaks and repair any damaged hoses or connections.
- Test the fuel pressure regulator and replace if it is malfunctioning.
- Clean or replace clogged fuel injectors as needed.
Cost to Fix P2273 Mercury
The typical repair costs for addressing a P2273 code on a Mercury vehicle can range from $200 to $500, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary depending on factors such as location, vehicle make and model, and engine type. Most auto repair shops charge between $80 and $150 per hour for labor, but rates may be higher in metropolitan areas or at dealerships and lower at independent shops. It is recommended to inquire about local rates for a more accurate estimate.
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