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Engine-Codes – Generic – P3446

P3446 Code - Cylinder 6 Exhaust Valve Control Circuit Performance

Quick Answer

The P3446 diagnostic trouble code (DTC) specifically relates to the Cylinder 6 Exhaust Valve Control Circuit Performance. Common causes include Faulty wiring or connectors in the exhaust valve control circuit, Malfunctioning exhaust valve control solenoid, Issues with the engine control module (ECM). 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
P3446 indicates Cylinder 6 Exhaust Valve Control Circuit Performance.
Common causes
Common causes include Faulty wiring or connectors in the exhaust valve control circuit, Malfunctioning exhaust valve control solenoid, Issues with the engine control module (ECM).
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 P3446 Description

The P3446 diagnostic trouble code (DTC) specifically relates to the Cylinder 6 Exhaust Valve Control Circuit Performance. This code indicates that there is an issue with the exhaust valve control circuit in cylinder 6 of the engine. The exhaust valve control circuit is responsible for regulating the opening and closing of the exhaust valve in the cylinder, which is crucial for proper engine performance and emissions control.

OBDII Code P3446 - Cylinder 6 Exhaust Valve Control Circuit Performance
P3446 Code - Cylinder 6 Exhaust Valve Control Circuit Performance

Common Causes of P3446

  1. Faulty wiring or connectors in the exhaust valve control circuit
  2. Malfunctioning exhaust valve control solenoid
  3. Issues with the engine control module (ECM)
  4. Mechanical issues with the exhaust valve itself
  5. Poor quality fuel or oil

Symptoms of P3446

  1. Decreased engine performance
  2. Rough idling
  3. Misfires
  4. Stalling
  5. Increased fuel consumption

How to Fix P3446

  1. Begin by conducting a thorough inspection of the exhaust valve control circuit in cylinder 6, checking for any visible damage to the wiring or connectors.
  2. Test the exhaust valve control solenoid to determine if it is functioning properly. Replace if necessary.
  3. Check the engine control module (ECM) for any fault codes related to the exhaust valve control circuit and address any issues found.
  4. Inspect the exhaust valve in cylinder 6 for any mechanical issues that may be causing the problem, such as carbon buildup or damage.
  5. Clear the DTC from the vehicle's computer system after completing the repairs and test drive the vehicle to ensure that the issue has been resolved.

Cost to Fix P3446

The typical repair costs for addressing a P3446 code can vary depending on the specific cause of the issue and the vehicle's make and model. On average, the parts required for this repair can range from $100 to $300, while the labor costs can be between $150 and $300. Therefore, the total cost for addressing this issue may fall in the range of $250 to $600. It is important to note that these estimates are general guidelines and actual costs may vary based on various factors, as mentioned earlier. It is recommended to consult with a qualified mechanic or auto repair shop to get a more accurate estimate based on your specific situation.

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Code P3446 Information for Specific Makes

  • P3446 Chrysler — Cylinder 6 Exhaust Valve Control Circuit Performance
  • P3446 Dodge — Cylinder 6 Exhaust Valve Control Circuit Performance
  • P3446 Jeep — Cylinder 6 Exhaust Valve Control Circuit Performance
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 P3446 Code

1. What are the common symptoms of OBDII code P3446 (Cylinder 6 Exhaust Valve Control Circuit Performance)?

- Common symptoms include rough idling, engine misfires, loss of power, and the illumination of the Check Engine Light.

2. What are the possible causes of OBDII code P3446?

- The code may be triggered by issues such as a faulty exhaust valve control solenoid, wiring problems, a malfunctioning engine control module (ECM), or mechanical issues with the exhaust valve itself.

3. How can I diagnose OBDII code P3446?

- Diagnosing this code typically involves using a scan tool to retrieve the code, conducting a visual inspection of related components, checking the wiring and connectors, and performing tests on the exhaust valve control circuit.

4. Can I still drive my vehicle with OBDII code P3446?

- It is generally not recommended to drive your vehicle with this code active, as it can lead to further damage and potential safety hazards. It is best to address the issue promptly.

5. How can I repair OBDII code P3446?

- Repairing this code may involve replacing the faulty exhaust valve control solenoid, repairing or replacing damaged wiring, addressing ECM issues, or repairing the exhaust valve itself if necessary.

6. Is it possible to reset OBDII code P3446 without fixing the underlying issue?

- While clearing the code may temporarily turn off the Check Engine Light, the underlying issue causing the code will persist. It is essential to address the root cause of the problem to prevent further issues.

7. Can a DIY enthusiast fix OBDII code P3446?

- Depending on your skill level and access to tools, some DIY enthusiasts may be able to address this code themselves by following repair guides and procedures. However, complex issues may require professional assistance.

8. How much does it cost to repair OBDII code P3446?

- The cost of repairing this code can vary depending on the underlying issue, labor rates in your area, and the cost of parts. It is recommended to obtain quotes from a few different mechanics or repair shops.

9. Will OBDII code P3446 affect my vehicle's performance?

- Yes, this code can impact your vehicle's performance by causing rough idling, misfires, and power loss. Addressing the issue promptly can help restore your vehicle's performance.

10. Can OBDII code P3446 be prevented?

- While some causes of this code may be related to wear and tear, regular maintenance, such as timely oil changes and keeping up with recommended service intervals, can help prevent issues that may trigger this code.

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