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P1137 Ford Code - Lack Of Heated Oxygen Sensor Switches Bank 1 Sensor 2 Switch Indicates Lean

Quick Answer

The P1137 Ford diagnostic trouble code (DTC) indicates a lack of heated oxygen sensor switches for bank 1 sensor 2, with the switch indicating a lean air-fuel mixture. Common causes include Faulty oxygen sensor, Wiring or connector issues, Vacuum leaks. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P1137 Ford indicates Lack Of Heated Oxygen Sensor Switches Bank 1 Sensor 2 Switch Indicates Lean.
Common causes
Common causes include Faulty oxygen sensor, Wiring or connector issues, Vacuum leaks.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P1137 Ford Description

The P1137 Ford diagnostic trouble code (DTC) indicates a lack of heated oxygen sensor switches for bank 1 sensor 2, with the switch indicating a lean air-fuel mixture. This means that the oxygen sensor located downstream of the catalytic converter on bank 1 is not functioning properly and is not providing accurate feedback to the engine control module (ECM) regarding the oxygen levels in the exhaust gases. A lean air-fuel mixture can lead to poor engine performance, reduced fuel efficiency, and increased emissions.

OBDII Code P1137 Ford - Lack Of Heated Oxygen Sensor Switches Bank 1 Sensor 2 Switch Indicates Lean
P1137 Ford Code - Lack Of Heated Oxygen Sensor Switches Bank 1 Sensor 2 Switch Indicates Lean

Common Causes of P1137 Ford

  1. Faulty oxygen sensor
  2. Wiring or connector issues
  3. Vacuum leaks
  4. Exhaust system leaks
  5. Fuel system issues

Symptoms of P1137 Ford

  1. Rough idling
  2. Hesitation during acceleration
  3. Decreased fuel efficiency
  4. Engine misfires
  5. Check Engine Light illuminated

How to Fix P1137 Ford

  1. Diagnose the issue by scanning for codes and performing a visual inspection of the oxygen sensor and related components.
  2. Test the oxygen sensor using a multimeter to check for proper function.
  3. Inspect the wiring and connectors for any damage or corrosion, repairing or replacing as necessary.
  4. Check for vacuum leaks and exhaust system leaks, repairing any leaks found.
  5. If the oxygen sensor is determined to be faulty, replace it with a new sensor compatible with the vehicle's make and model.

Cost to Fix P1137 Ford

The typical repair costs for addressing a P1137 Ford code can range from $200 to $500, including parts and labor. However, specific costs can vary based on the location, vehicle make and model, and the type of engine. It is recommended to check with local auto repair shops for a more accurate estimate based on individual circumstances. Keep in mind that diagnosis time and labor rates can also impact the final cost.

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Information for Specific Ford Models

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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