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Engine-Codes – Pontiac – P2119 Pontiac

P2119 Pontiac Code - Throttle Closed Position Performance

Quick Answer

The P2119 diagnostic trouble code (DTC) for Pontiac vehicles indicates a Throttle Closed Position Performance issue. Common causes include Faulty throttle position sensor, Vacuum leak, Dirty throttle body. 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 Pontiac indicates Throttle Closed Position Performance.
Common causes
Common causes include Faulty throttle position sensor, Vacuum leak, Dirty throttle body.
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 Pontiac Description

The P2119 diagnostic trouble code (DTC) for Pontiac vehicles indicates a Throttle Closed Position Performance issue. This code is triggered when the engine control module (ECM) detects that the actual position of the throttle plate does not match the desired position when the throttle is closed. The throttle position sensor (TPS) is responsible for sending the ECM information about the position of the throttle, which is crucial for proper engine performance and fuel efficiency. When the throttle is closed, the TPS should signal that the throttle is indeed closed, allowing the ECM to adjust fuel and ignition timing accordingly.

OBDII Code P2119 Pontiac - Throttle Closed Position Performance
P2119 Pontiac Code - Throttle Closed Position Performance

Common Causes of P2119 Pontiac

  1. Faulty throttle position sensor
  2. Vacuum leak
  3. Dirty throttle body
  4. Malfunctioning throttle plate
  5. ECM malfunction

Symptoms of P2119 Pontiac

  1. Rough idling or stalling
  2. Hesitation or lack of response when accelerating
  3. Decreased fuel efficiency
  4. Illuminated check engine light
  5. Unusual engine noises or vibrations

How to Fix P2119 Pontiac

  1. Begin by connecting a diagnostic scanner to the vehicle to retrieve the specific trouble code and confirm that P2119 is the issue.
  2. Inspect the throttle position sensor, throttle body, and throttle plate for any signs of damage or wear. Clean or replace components as necessary.
  3. Check for vacuum leaks in the intake system and repair any leaks found.
  4. Reset the ECM to clear the trouble code and perform a throttle relearn procedure to recalibrate the throttle position sensor.
  5. Test drive the vehicle to ensure that the issue has been resolved and that the throttle closed position performance is within the specified parameters.

Cost to Fix P2119 Pontiac

The typical repair costs for addressing a P2119 Throttle Closed Position Performance issue can vary depending on the specific cause of the problem and the extent of the repairs needed. In general, the cost of parts such as a throttle position sensor or throttle body cleaner can range from $50 to $200. Labor costs at auto repair shops typically range from $80 to $150 per hour. Additional costs may apply if further diagnostics or repairs are required. It's recommended to consult with a qualified mechanic or auto repair shop for a more accurate estimate based on your vehicle's make and model, as well as local labor rates.

When is the Code Detected?

The P2119 code is detected when electric throttle control actuator does not function properly due to the return spring malfunction or Engine Control Module (ECM) detect the throttle valve is stuck open.

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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 Pontiac Code

1. What are common symptoms of OBDII code P2119 in a Pontiac related to throttle closed position performance?

The common symptoms include reduced engine power, difficulty accelerating, and the vehicle going into limp mode.

2. What are the potential causes of OBDII code P2119 in a Pontiac?

Possible causes of this code include a faulty throttle position sensor, a malfunctioning throttle body, wiring issues, or a problem with the electronic throttle control system.

3. How can I diagnose the cause of OBDII code P2119 in my Pontiac?

Diagnosing the issue may involve using a scan tool to check for the specific trouble code, inspecting the throttle body and sensor for any visible damage, and testing the throttle position sensor for proper functionality.

4. Can I drive my Pontiac with OBDII code P2119?

It is not recommended to drive your vehicle with this code present, as it can lead to unsafe driving conditions and potential further damage to the engine.

5. How do I repair OBDII code P2119 in my Pontiac?

Repairing this code may involve replacing the throttle position sensor, cleaning or replacing the throttle body, checking and repairing any damaged wiring, or recalibrating the electronic throttle control system.

6. Is it possible to reset OBDII code P2119 in my Pontiac without repairs?

Resetting the code without addressing the underlying issue may temporarily clear the warning light, but the problem will likely resurface. It is important to diagnose and repair the root cause of the code.

7. Can a DIY enthusiast fix OBDII code P2119 in a Pontiac?

Depending on your skill level and access to tools, some DIY enthusiasts may be able to address this code by following repair guides and videos. However, complex electronic systems may require professional help.

8. Are there any preventive measures to avoid OBDII code P2119 in my Pontiac?

Regular maintenance, such as cleaning the throttle body, inspecting wiring for damage, and using high-quality fuel, can help prevent issues that may trigger this trouble code.

9. How long does it typically take to repair OBDII code P2119 in a Pontiac?

The repair time for this code can vary based on the specific cause and the complexity of the repair. It may take anywhere from a few hours to a full day, depending on the extent of the issue.

10. Should I seek professional help for OBDII code P2119 in my Pontiac?

If you are unsure about diagnosing or repairing this code, or if the issue is complex, it is recommended to seek help from a certified mechanic or dealership to ensure proper diagnosis and repair.

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