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P2245 Lincoln Code - O2 Sensor Reference Voltage Circuit Low Bank 1 Sensor 1

Quick Answer

The P2245 diagnostic trouble code for Lincoln vehicles indicates an issue with the O2 Sensor Reference Voltage Circuit on Bank 1 Sensor 1. Common causes include Damaged wiring or connectors, Faulty O2 sensor, Blown fuse. 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
P2245 Lincoln indicates O2 Sensor Reference Voltage Circuit Low Bank 1 Sensor 1.
Common causes
Common causes include Damaged wiring or connectors, Faulty O2 sensor, Blown fuse.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P2245 Lincoln Description

The P2245 diagnostic trouble code for Lincoln vehicles indicates an issue with the O2 Sensor Reference Voltage Circuit on Bank 1 Sensor 1. This sensor is responsible for monitoring the oxygen levels in the exhaust gases and providing feedback to the engine control module (ECM) to adjust the air-fuel mixture for optimal combustion.

OBDII Code P2245 Lincoln - O2 Sensor Reference Voltage Circuit Low Bank 1 Sensor 1
P2245 Lincoln Code - O2 Sensor Reference Voltage Circuit Low Bank 1 Sensor 1

Common Causes of P2245 Lincoln

  1. Damaged wiring or connectors
  2. Faulty O2 sensor
  3. Blown fuse
  4. ECM issues
  5. Exhaust leaks

Symptoms of P2245 Lincoln

  1. Decreased fuel efficiency
  2. Engine misfires or rough idling
  3. Check Engine Light illuminated on the dashboard
  4. Increased emissions
  5. Loss of engine power

How to Fix P2245 Lincoln

  1. Begin by connecting a diagnostic scanner to the vehicle's OBD-II port to retrieve the specific error code and confirm the issue.
  2. Inspect the wiring and connectors for any signs of damage or corrosion. Repair or replace any damaged components.
  3. Test the O2 sensor using a multimeter to check for proper voltage output. Replace the sensor if necessary.
  4. Check and replace any blown fuses related to the O2 sensor circuit.
  5. Clear the error code and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P2245 Lincoln

The typical repair costs for addressing a P2245 O2 Sensor Reference Voltage Circuit Low Bank 1 Sensor 1 code can range from $150 to $400, including parts and labor. However, it's essential to note that actual costs can vary based on factors such as the specific make and model of the vehicle, the location of the repair shop, and any additional repairs that may be needed. Additionally, diagnostic time and labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150. It's advisable to obtain quotes from multiple repair shops to get a more accurate estimate for your specific situation.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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