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P2119 2014 GMC Sierra Code - Throttle Closed Position Performance

Quick Answer

The P2119 diagnostic trouble code (DTC) for a 2014 GMC Sierra relates to the Throttle Closed Position Performance. Common causes include Faulty throttle position sensor: The sensor that detects the position of the throttle may be malfunctioning, causing incorrect readings, Carbon buildup: Carbon deposits can accumulate on the throttle body, preventing it from closing properly, Vacuum leaks: Any leaks in the vacuum system can affect the throttle's performance. 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
P2119 2014 GMC Sierra indicates Throttle Closed Position Performance.
Common causes
Common causes include Faulty throttle position sensor: The sensor that detects the position of the throttle may be malfunctioning, causing incorrect readings, Carbon buildup: Carbon deposits can accumulate on the throttle body, preventing it from closing properly, Vacuum leaks: Any leaks in the vacuum system can affect the throttle's performance.
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 08, 2024
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Code P2119 2014 GMC Sierra Description

The P2119 diagnostic trouble code (DTC) for a 2014 GMC Sierra relates to the Throttle Closed Position Performance. This code is triggered when the Engine Control Module (ECM) detects that the throttle is not functioning as it should be when in the closed position. The throttle is responsible for controlling the amount of air that enters the engine, which is crucial for the combustion process that powers the vehicle. When the throttle is not closing properly, it can lead to a number of performance issues and potentially cause long-term damage if not addressed promptly.

OBDII Code P2119 2014 GMC Sierra - Throttle Closed Position Performance
P2119 2014 GMC Sierra Code - Throttle Closed Position Performance

Common Causes of P2119 2014 GMC Sierra

  1. Faulty throttle position sensor: The sensor that detects the position of the throttle may be malfunctioning, causing incorrect readings.
  2. Carbon buildup: Carbon deposits can accumulate on the throttle body, preventing it from closing properly.
  3. Vacuum leaks: Any leaks in the vacuum system can affect the throttle's performance.
  4. Wiring issues: Faulty wiring or connections to the throttle position sensor can cause communication errors.
  5. Mechanical issues: The throttle body itself may be damaged or worn out, affecting its ability to close properly.

Symptoms of P2119 2014 GMC Sierra

  1. Reduced engine power: The vehicle may experience a loss of power when accelerating or maintaining speed.
  2. Rough idling: The engine may idle erratically or stall when the throttle is closed.
  3. Poor fuel efficiency: A malfunctioning throttle can lead to inefficient fuel combustion, resulting in decreased fuel economy.
  4. Check Engine Light: The P2119 code will trigger the Check Engine Light to illuminate on the dashboard.

How to Fix P2119 2014 GMC Sierra

  1. Inspect throttle position sensor: Check the sensor for any signs of damage or malfunction and replace if necessary.
  2. Clean throttle body: Remove any carbon buildup from the throttle body to ensure it can close properly.
  3. Check for vacuum leaks: Inspect the vacuum system for any leaks and repair as needed.
  4. Check wiring: Inspect the wiring and connections to the throttle position sensor for any issues and repair or replace as necessary.
  5. Replace throttle body: If the throttle body itself is damaged or worn out, it may need to be replaced to resolve the issue.

Cost to Fix P2119 2014 GMC Sierra

The typical repair costs for addressing a P2119 code on a 2014 GMC Sierra can vary depending on the specific cause of the issue and the extent of the repairs needed. On average, the cost of parts for this repair can range from $100 to $500, with labor costs adding an additional $100 to $300. This estimate does not include diagnostic fees, which can vary depending on the shop's rates and the time required to pinpoint the exact cause of the issue. It is advisable to consult with a trusted mechanic or auto repair shop for a more precise estimate based on 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.

Frequently Asked Questions about P2119 2014 GMC Sierra Code

1. What does the OBDII code P2119 mean on a 2014 GMC Sierra?

P2119 indicates a "Throttle Closed Position Performance" issue, meaning the engine control module (ECM) has detected that the throttle plate is not closing properly or as expected.

2. What are the common symptoms of the P2119 code on a 2014 GMC Sierra?

Symptoms may include reduced engine power, poor acceleration, the "Reduced Engine Power" warning on the dashboard, and erratic idling.

3. What causes the P2119 code on a 2014 GMC Sierra?

Common causes include a malfunctioning throttle body, carbon buildup on the throttle plate, a faulty throttle position sensor, or wiring and connector issues related to the throttle control system.

4. Can I drive my 2014 GMC Sierra with the P2119 code?

Driving with the P2119 code is not recommended, as it can result in reduced engine power and unsafe driving conditions. It should be diagnosed and repaired promptly.

5. How is the P2119 code diagnosed on a 2014 GMC Sierra?

A technician will use a scan tool to verify the code, inspect the throttle body and related components for damage or dirt, and check the wiring and connectors for faults.

6. Can cleaning the throttle body fix the P2119 code on a 2014 GMC Sierra?

Yes, if the issue is caused by carbon buildup or debris on the throttle plate, cleaning the throttle body may resolve the problem.

7. Do I need to replace the throttle body to fix the P2119 code on my 2014 GMC Sierra?

Not always. While a faulty throttle body may need replacement, the issue could also be related to a sensor, wiring, or even a software update.

8. How much does it cost to fix the P2119 code on a 2014 GMC Sierra?

The cost varies depending on the repair. Cleaning the throttle body might cost around $100, while replacing the throttle body can range from $300 to $600, including labor.

9. Can a bad throttle position sensor cause the P2119 code on a 2014 GMC Sierra?

Yes, a malfunctioning throttle position sensor can cause the ECM to detect a throttle closed position performance issue and trigger the P2119 code.

10. Will disconnecting the battery clear the P2119 code on a 2014 GMC Sierra?

Disconnecting the battery may temporarily clear the code, but it won’t fix the underlying issue. The problem must be properly diagnosed and repaired to prevent the code from returning.

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