Engine-CodesChevrolet – P3418 Chevrolet

P3418 Chevrolet Code - Cylinder 3 Deactivation/Intake Valve Control Performance

Quick Answer

The P3418 Chevrolet diagnostic trouble code indicates a problem with Cylinder 3 Deactivation/Intake Valve Control Performance. Common causes include Faulty intake valve control solenoid, Wiring issues, Malfunctioning 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
P3418 Chevrolet indicates Cylinder 3 Deactivation/Intake Valve Control Performance.
Common causes
Common causes include Faulty intake valve control solenoid, Wiring issues, Malfunctioning 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.
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P3418 Chevrolet Description

The P3418 Chevrolet diagnostic trouble code indicates a problem with Cylinder 3 Deactivation/Intake Valve Control Performance. In vehicles equipped with cylinder deactivation technology, this code specifically relates to the performance of the intake valve control system for Cylinder 3. This system is responsible for activating and deactivating specific cylinders to improve fuel efficiency and reduce emissions during different driving conditions.

OBDII Code P3418 Chevrolet - Cylinder 3 Deactivation/Intake Valve Control Performance
P3418 Chevrolet Code - Cylinder 3 Deactivation/Intake Valve Control Performance

Common Causes of P3418 Chevrolet

  1. Faulty intake valve control solenoid
  2. Wiring issues
  3. Malfunctioning ECM
  4. Mechanical problems with the intake valve system
  5. Low engine oil levels

Symptoms of P3418 Chevrolet

  1. Engine misfires
  2. Reduced fuel efficiency
  3. Rough idling
  4. Loss of power during acceleration
  5. Check Engine Light illuminated

How to Fix P3418 Chevrolet

  1. Begin by performing a visual inspection of the intake valve control system for Cylinder 3, checking for any obvious signs of damage or loose connections.
  2. Use a scan tool to retrieve freeze frame data and clear the code. Monitor the system to see if the code returns while driving the vehicle.
  3. Test the intake valve control solenoid for proper operation and replace if necessary.
  4. Check the wiring harness for any damage or shorts, repairing or replacing as needed.
  5. If the issue persists, further diagnosis may be required to determine if there are mechanical problems with the intake valve system or other underlying issues.

Cost to Fix P3418 Chevrolet

The typical repair costs for addressing the P3418 Chevrolet code can vary depending on the specific cause of the issue. Parts such as an intake valve control solenoid or wiring harness may range from $50 to $200, while labor costs can range from $100 to $300. Overall, the total repair cost could fall within the range of $150 to $500. However, it's important to note that these are rough estimates, and actual costs may vary based on factors such as location, vehicle make and model, and labor rates at auto repair shops. It's recommended to consult with a professional mechanic for a more accurate cost estimate.

When is the Code Detected?

The control module detects that the actual measured values from the MAF sensor, MAP sensor, and TP sensor, is not within the range of the calculated values for cylinder deactivation mode

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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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