Engine-CodesChrysler – P3418 Chrysler

P3418 Chrysler Code - Cylinder 3 Deactivation Control Performance

Quick Answer

The P3418 Chrysler code specifically refers to an issue with the Cylinder 3 Deactivation Control Performance in the vehicle's engine. Common causes include Faulty cylinder deactivation solenoid, Wiring or electrical issues in the deactivation control circuit, Low engine oil level or poor quality oil. 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
P3418 Chrysler indicates Cylinder 3 Deactivation Control Performance.
Common causes
Common causes include Faulty cylinder deactivation solenoid, Wiring or electrical issues in the deactivation control circuit, Low engine oil level or poor quality oil.
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 09, 2024
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Code P3418 Chrysler Description

The P3418 Chrysler code specifically refers to an issue with the Cylinder 3 Deactivation Control Performance in the vehicle's engine. In modern vehicles, cylinder deactivation technology is often used to improve fuel efficiency by shutting down specific cylinders when they are not needed, such as during cruising or light load conditions. This code indicates that there is a problem with the deactivation system in Cylinder 3, which could lead to decreased engine performance, reduced fuel efficiency, and potentially even engine damage if not addressed promptly.

OBDII Code P3418 Chrysler - Cylinder 3 Deactivation Control Performance
P3418 Chrysler Code - Cylinder 3 Deactivation Control Performance

Common Causes of P3418 Chrysler

  1. Faulty cylinder deactivation solenoid
  2. Wiring or electrical issues in the deactivation control circuit
  3. Low engine oil level or poor quality oil
  4. Mechanical issues in Cylinder 3, such as worn piston rings or valves
  5. Software or programming issues in the engine control module

Symptoms of P3418 Chrysler

  1. Rough idle or rough running engine
  2. Decreased fuel efficiency
  3. Engine misfires
  4. Illuminated check engine light
  5. Reduced power output

How to Fix P3418 Chrysler

  1. Begin by diagnosing the root cause of the issue using a scan tool to pinpoint the specific problem within the Cylinder 3 deactivation system.
  2. Inspect the cylinder deactivation solenoid and related wiring for any signs of damage or malfunction. Replace any faulty components.
  3. Check the engine oil level and quality, ensuring it meets the manufacturer's specifications. Top up or change the oil if necessary.
  4. Perform a compression test on Cylinder 3 to check for any mechanical issues that could be causing the deactivation problem.
  5. If all else fails, reprogram the engine control module with the latest software updates to address any potential software-related issues.

Cost to Fix P3418 Chrysler

The typical repair costs for addressing a P3418 Chrysler code can vary depending on the specific cause of the issue. In general, parts for this repair, such as a new cylinder deactivation solenoid, can range from $50 to $200, while labor costs can range from $100 to $300. Additional costs may be incurred if other components need to be replaced or if further diagnostics are required. It's recommended to consult with a qualified mechanic or auto repair shop for a more accurate estimate based on the individual circumstances of the vehicle.

Tech Notes for P3418 Chrysler

Although in some cases changing the engine oil may fix the problem, usually the Multi Displacement System Solenoid may need to replaced.

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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.

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