The P3479 automobile fault code is a common issue that triggers the Engine Light ON or Service Engine Soon Warning Light. It indicates a problem with the Cylinder Deactivation Solenoid, which can be caused by low oil pressure, restricted oil passage, engine mechanical condition, or faulty wiring.

The importance of repairing this issue lies in preventing further damage to the engine and ensuring optimal performance. The repair difficulty is moderate, with a repair time of 1.0. To fix the issue, one should visually inspect the related wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector’s pins.

Repair Importance Level10.0 (Out of 10)
Estimated Repair TimeApproximately 1.0 hour
Repair Difficulty Level10.0 (Out of 10)

If you notice the Engine Light ON (or Service Engine Soon Warning Light), it could be due to the p3479 fault code.

Here are the symptoms to look out for:

  • The P3479 fault code in an automobile can cause several symptoms, including the engine light turning on or the service engine soon warning light appearing.
  • Other symptoms may include reduced engine power, engine misfires, rough idling, and decreased fuel efficiency.
  • Additionally, the vehicle may experience hesitation or stalling during acceleration, and there may be a noticeable decrease in overall performance.
  • It is important to address these symptoms promptly to prevent further damage to the vehicle and ensure safe operation on the road.

P3479 fault code can be caused by various factors such as low oil pressure, restricted oil passage, and faulty cylinder deactivation solenoid.

  • The automobile fault code P3479 can be caused by low oil pressure, restricted oil passage, engine mechanical condition, faulty Cylinder Deactivation Solenoid, Cylinder Deactivation Solenoid harness being open or shorted, and Cylinder Deactivation Solenoid circuit having poor electrical connection.

Below are some possible fixes for the automobile fault code p3479, including inspecting wiring harness and connectors for damage or corrosion.

  • To fix the automobile fault code p3479, you need to check the possible causes listed above.
  • Visually inspect the related wiring harness and connectors for any damage.
  • Look for broken, bent, pushed out, or corroded connector’s pins.
  • This fix will take an estimated repair time of 1.0 hour.

The automobile fault code P3479 has an estimated repair time of 1.0 hour. The cost of fixing this fault code is influenced by the repair time.

Most auto repair shops charge between $75 and $150 per hour for their services.

Therefore, the fixing cost of P3479 will range between $75 and $150, depending on the repair time required.

The P3479 code indicates a problem with the cylinder deactivation system. Specifically, it relates to the exhaust valve control circuit for cylinder 10.

This means that the ECM is not receiving the proper signal from the valve lifter for cylinder 10. As a result, the cylinder may not be properly deactivated, leading to decreased fuel economy and potential engine damage.

It is important to have this issue diagnosed and repaired promptly to avoid further complications.

What are the possible causes of the automobile fault code P3479?

If you see the engine light on or service engine soon warning light, it could be due to the P3479 fault code. This code can be caused by low oil pressure, restricted oil passage, engine mechanical condition, faulty cylinder deactivation solenoid, cylinder deactivation solenoid harness being open or shorted, or cylinder deactivation solenoid circuit poor electrical connection. To fix this issue, check the possible causes listed above and visually inspect the related wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector’s pins.

How can I visually inspect the related wiring harness and connectors to fix the P3479 fault code?

If you’re experiencing the P3479 fault code, start by checking the possible causes listed above. To visually inspect the related wiring harness and connectors, look for damaged components and check for broken, bent, pushed out, or corroded connector’s pins. This will help you identify any issues with the Cylinder Deactivation Solenoid harness and circuit connections.

What are the steps to take if I find damaged components or broken, bent, pushed out, or corroded connector’s pins while fixing the P3479 fault code?

If you find damaged components or broken, bent, pushed out, or corroded connector’s pins while fixing the P3479 fault code, follow these steps: visually inspect the related wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector’s pins. Check the “Possible Causes” listed above and fix any issues found. This will help resolve the issue of the engine light being ON or the Service Engine Soon Warning Light.

p3479 error fault code explained

If you see the Engine Light ON or Service Engine Soon Warning Light, it could be due to low oil pressure, restricted oil passage, or a faulty Cylinder Deactivation Solenoid.

Check the possible causes listed above, visually inspect the wiring harness and connectors, and look for damaged components or corroded pins.

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