Engine-CodesGeneric – P1519

P1519 Code - Intake Manifold Runner Control Stuck Closed

Quick Answer

The P1519 diagnostic trouble code indicates that the Intake Manifold Runner Control (IMRC) is stuck closed. Common causes include Faulty IMRC actuator motor, Wiring issues or electrical connections, Mechanical obstruction in the intake manifold runners. 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
P1519 indicates Intake Manifold Runner Control Stuck Closed.
Common causes
Common causes include Faulty IMRC actuator motor, Wiring issues or electrical connections, Mechanical obstruction in the intake manifold runners.
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 06, 2024
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Code P1519 Description

The P1519 diagnostic trouble code indicates that the Intake Manifold Runner Control (IMRC) is stuck closed. The IMRC system is designed to optimize engine performance by varying the length of the intake manifold runners based on engine speed and load. When the IMRC is stuck closed, it restricts airflow into the engine, leading to decreased performance, reduced fuel efficiency, and potential drivability issues.

OBDII Code P1519 - Intake Manifold Runner Control Stuck Closed
P1519 Code - Intake Manifold Runner Control Stuck Closed

Common Causes of P1519

  1. Faulty IMRC actuator motor
  2. Wiring issues or electrical connections
  3. Mechanical obstruction in the intake manifold runners
  4. Carbon buildup in the IMRC system
  5. Vacuum leaks in the intake manifold

Symptoms of P1519

  1. Lack of power or reduced acceleration
  2. Rough idling or stalling
  3. Decreased fuel efficiency
  4. Check engine light illuminated
  5. Engine misfires

How to Fix P1519

  1. Begin by diagnosing the specific cause of the issue, such as testing the IMRC actuator motor and checking for wiring faults.
  2. Clean the intake manifold and IMRC system to remove any carbon buildup or obstructions.
  3. Replace the faulty IMRC actuator motor or repair any damaged wiring connections.
  4. Reset the engine control module to clear the trouble code and retest the vehicle for proper functionality.
  5. Perform a test drive to ensure that the issue has been resolved and that the vehicle's performance has been restored.

Cost to Fix P1519

The cost of repairing a P1519 code related to a stuck closed Intake Manifold Runner Control can vary depending on the specific cause of the issue and the labor rates in your area. In general, you can expect to pay between $200 and $500 for parts and labor. Keep in mind that additional diagnostic time may be required to pinpoint the exact problem, so it's essential to consult with a qualified mechanic to get an accurate estimate based on your vehicle's make and model. Labor rates at auto repair shops typically range from $80 to $150 per hour, but this can vary based on location and shop type.

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Code P1519 Information for Specific Makes

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 P1519 Code

1. What are the common symptoms of OBDII code P1519 (Intake Manifold Runner Control Stuck Closed)?

- Common symptoms include rough idle, loss of power, engine misfires, and the Check Engine light illuminating on the dashboard.

2. What are the possible causes of OBDII code P1519?

- The code P1519 can be triggered by a faulty intake manifold runner control (IMRC) actuator, a stuck closed intake manifold runner, vacuum leaks, or wiring issues.

3. How serious is OBDII code P1519 (Intake Manifold Runner Control Stuck Closed)?

- While this code may not cause immediate engine failure, it can lead to decreased engine performance and fuel efficiency if left unresolved.

4. Can I drive my vehicle with OBDII code P1519 active?

- It is generally not recommended to drive with the code active, as it can lead to further damage and decreased performance. It's best to address the issue promptly.

5. How can I diagnose OBDII code P1519?

- Diagnosis typically involves using a scan tool to read the code, checking the intake manifold runner control system for obstructions or faults, and inspecting for vacuum leaks.

6. What are some DIY repair tips for fixing OBDII code P1519?

- DIY repair tips may include checking and cleaning the intake manifold runner system, inspecting vacuum hoses for leaks, and ensuring the electrical connections are secure.

7. Is it necessary to replace parts to fix OBDII code P1519?

- Depending on the root cause, you may need to replace components like the intake manifold runner control actuator or repair any damaged wiring to resolve the issue permanently.

8. How much does it cost to repair OBDII code P1519 at a mechanic?

- The cost of repair can vary depending on the extent of the issue and the labor rates of the mechanic. It's advisable to get a diagnosis and quote from a professional.

9. Can resetting the OBDII code P1519 resolve the issue temporarily?

- Resetting the code may temporarily turn off the Check Engine light, but if the underlying issue causing the code is not addressed, it is likely to reoccur.

10. How can I prevent OBDII code P1519 from coming back?

- Regular maintenance, such as checking and cleaning the intake manifold runner system, inspecting for vacuum leaks, and addressing any electrical issues promptly, can help prevent the code from reoccurring.

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