[SOLVED] P3402 Code: Fixing Cylinder 1 Deactivation Solenoid Valve Control

The P3402 automobile fault code indicates a problem with the Valve Lifter Oil Manifold Assembly. Symptoms may include rough idling, engine misfires, and reduced power.

The cause of this issue could be low oil pressure, a restricted oil passage, or a faulty Valve Lifter Oil Manifold Assembly. Repairing this problem is important as it can lead to further engine damage. The difficulty of the repair 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)

Here are some symptoms of the automobile fault code p3402:

  • The P3402 fault code indicates a problem with the cylinder deactivation system.
  • Symptoms of this fault code include rough idling, reduced engine power, poor fuel economy, engine misfires, and illuminated check engine light.
  • Additionally, the vehicle may experience a loss of power when driving uphill or accelerating.
  • It is important to address this issue promptly to prevent further damage to the engine and ensure optimal vehicle performance.

P3402 fault code in automobiles can be caused by various factors, including low oil pressure, restricted oil passage, and faulty valve lifter oil manifold assembly.

  • The automobile fault code P3402 can be caused by low oil pressure.
  • It can also be caused by a restricted oil passage.
  • Another cause of this fault code is a faulty Valve Lifter Oil Manifold Assembly.
  • An open or shorted Valve Lifter Oil Manifold Assembly harness can also trigger this code.
  • A poor electrical connection in the Valve Lifter Oil Manifold Assembly circuit can also be a cause.
  • Finally, a faulty Engine Control Module (ECM) can also be responsible for the P3402 fault code.

Below are some possible fixes for the automobile fault code p3402, including inspecting wiring harness and connectors for damage or corrosion.

  • To fix the automobile fault code p3402, you need to check the possible causes listed above.
  • 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 fix will take an estimated repair time of 1.0 hour.

The automobile fault code P3402 can be diagnosed and fixed within an estimated repair time of 1.0 hour. The cost of repair is influenced by the hourly rate charged by the auto repair shop, which typically ranges between $75 and $150 per hour. Therefore, the total cost of diagnosis and fixing the P3402 fault code will depend on the hourly rate charged by the auto repair shop and the estimated repair time required to fix the issue.

P3402 is a fault code that indicates a problem with the cylinder deactivation system in the engine. When this code appears, the engine light or service engine soon warning light will turn on.

This fault code is commonly found in vehicles with V8 or V6 engines that use cylinder deactivation technology to improve fuel efficiency.

If left unaddressed, this issue can lead to decreased fuel economy and potential engine damage. It is important to have this issue diagnosed and repaired by a qualified mechanic as soon as possible to prevent further damage to the engine.

What are the possible causes of the P3402 automobile fault code?

The P3402 fault code in automobiles can be caused by low oil pressure, restricted oil passage, faulty valve lifter oil manifold assembly, open or shorted valve lifter oil manifold assembly harness, poor electrical connection in the valve lifter oil manifold assembly circuit, or a faulty engine control module (ECM). To fix this issue, one should check the possible causes listed above, visually inspect the related wiring harness and connectors, and look for damaged components and broken, bent, pushed out, or corroded connector’s pins.

How can one fix the P3402 automobile fault code?

If you’re experiencing the P3402 fault code, which indicates a problem with the Valve Lifter Oil Manifold Assembly, there are a few things you can do to fix it. First, check for low oil pressure or a restricted oil passage. Then, visually inspect the wiring harness and connectors for any damage or corrosion. Look for broken, bent, pushed out, or corroded connector’s pins. If you find any issues, repair or replace the damaged components. If the problem persists, it may be a faulty Engine Control Module (ECM), which will need to be replaced.

What should be visually inspected when trying to fix the P3402 automobile fault code?

To fix the P3402 automobile fault code, start by checking the possible causes, which include low oil pressure, restricted oil passage, faulty valve lifter oil manifold assembly, open or shorted valve lifter oil manifold assembly harness, poor electrical connection in the valve lifter oil manifold assembly circuit, or a faulty engine control module (ECM). Visually inspect the related wiring harness and connectors, checking for damaged components and broken, bent, pushed out, or corroded connector pins.

p3402 error fault code explained

To fix the P3402 fault code, check for low oil pressure, restricted oil passage, or a faulty valve lifter oil manifold assembly.

Inspect the wiring harness and connectors for damage, and check for broken, bent, pushed out, or corroded connector pins. Also, check for a faulty Engine Control Module (ECM).

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