Engine-CodesGeneric – P207B

P207B Code - Intake Manifold Tuning Valve Position Sensor/Switch Circuit Range/Performance Bank 2

Quick Answer

The P207B diagnostic trouble code (DTC) refers to the Intake Manifold Tuning Valve Position Sensor/Switch Circuit Range/Performance Bank 2. Common causes include Faulty Sensor/switch: A malfunctioning or failed intake manifold tuning valve position sensor/switch can trigger this code, Wiring Issues: Damaged or corroded wiring connecting the sensor/switch to the ECM can disrupt communication and trigger the code, Intake Manifold Tuning Valve Problems: Issues with the actual intake manifold tuning valve, such as sticking or malfunctioning, can lead to this code. 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
P207B indicates Intake Manifold Tuning Valve Position Sensor/Switch Circuit Range/Performance Bank 2.
Common causes
Common causes include Faulty Sensor/switch: A malfunctioning or failed intake manifold tuning valve position sensor/switch can trigger this code, Wiring Issues: Damaged or corroded wiring connecting the sensor/switch to the ECM can disrupt communication and trigger the code, Intake Manifold Tuning Valve Problems: Issues with the actual intake manifold tuning valve, such as sticking or malfunctioning, can lead to this code.
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.
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P207B Description

The P207B diagnostic trouble code (DTC) refers to the Intake Manifold Tuning Valve Position Sensor/Switch Circuit Range/Performance Bank 2. This code indicates that there is an issue with the sensor or switch that monitors the position of the intake manifold tuning valve in Bank 2 of the engine. The intake manifold tuning valve is responsible for adjusting the length of the intake manifold runners to optimize air flow and performance at different engine speeds.

OBDII Code P207B - Intake Manifold Tuning Valve Position Sensor/Switch Circuit Range/Performance Bank 2
P207B Code - Intake Manifold Tuning Valve Position Sensor/Switch Circuit Range/Performance Bank 2

Common Causes of P207B

  1. Faulty Sensor/switch: A malfunctioning or failed intake manifold tuning valve position sensor/switch can trigger this code.
  2. Wiring Issues: Damaged or corroded wiring connecting the sensor/switch to the ECM can disrupt communication and trigger the code.
  3. Intake Manifold Tuning Valve Problems: Issues with the actual intake manifold tuning valve, such as sticking or malfunctioning, can lead to this code.
  4. ECM Malfunction: A malfunctioning engine control module (ECM) may not properly interpret the sensor data, triggering the code.
  5. Vacuum Leaks: Vacuum leaks in the intake system can affect the intake manifold tuning valve's operation, leading to this code.

Symptoms of P207B

  1. Check Engine Light: The most common symptom associated with this code is the illumination of the check engine light on the vehicle's dashboard.
  2. Reduced Engine Performance: The engine may experience a decrease in power output and overall performance due to improper adjustment of the intake manifold tuning valve.
  3. Rough Idling: The engine may idle roughly or inconsistently, leading to a shaky or vibrating sensation when the vehicle is stationary.
  4. Poor Fuel Efficiency: A malfunctioning intake manifold tuning valve position sensor/switch can result in increased fuel consumption and reduced fuel efficiency.
  5. Drivability Issues: The vehicle may exhibit drivability issues such as hesitation, stalling, or rough acceleration due to improper air flow regulation.

How to Fix P207B

  1. Diagnose the Issue: Use a diagnostic scanner to retrieve the specific fault code and pinpoint the exact cause of the problem.
  2. Inspect Wiring and Connections: Check the wiring harness and connections related to the intake manifold tuning valve position sensor/switch for any damage, corrosion, or loose connections.
  3. Test the Sensor/Switch: Test the intake manifold tuning valve position sensor/switch using a multimeter to ensure it is functioning within specifications.
  4. Replace Faulty Components: If the sensor/switch is found to be faulty, replace it with a new, OEM-quality component to restore proper operation.
  5. Clear Codes and Test Drive: Clear the fault codes from the ECM using a diagnostic scanner and test drive the vehicle to ensure the issue has been resolved and the code does not return.

Cost to Fix P207B

The typical repair costs for addressing the P207B code may vary depending on the specific cause of the issue and the vehicle's make and model. On average, the cost of parts for replacing a faulty sensor or switch can range from $50 to $150. Additionally, labor costs for diagnosing the issue, replacing the component, and clearing the fault codes can range from $100 to $300. Overall, the total repair cost for resolving this issue could range from $150 to $450.

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Code P207B Information for Specific Makes

  • P207B Ford — Intake Manifold Tuning Valve Position Sensor/Switch Circuit Range/Performance Bank 2
  • P207B Lincoln — Intake Manifold Tuning Valve Position Sensor/Switch Circuit Range/Performance Bank 2
  • P207B Mercury — Intake Manifold Tuning Valve Position Sensor/Switch Circuit Range/Performance Bank 2
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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