Engine-CodesInfiniti – P0081 Infiniti

P0081 Infiniti Code - Intake Valve Control Solenoid Circuit Bank 2

Quick Answer

The P0081 code in an Infiniti vehicle indicates a problem with the intake valve control solenoid circuit in Bank 2. Common causes include Faulty intake valve control solenoid, Wiring or connector issues in the solenoid circuit, Malfunctioning PCM (Powertrain Control Module). 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
P0081 Infiniti indicates Intake Valve Control Solenoid Circuit Bank 2.
Common causes
Common causes include Faulty intake valve control solenoid, Wiring or connector issues in the solenoid circuit, Malfunctioning PCM (Powertrain Control Module).
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 06, 2024
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Code P0081 Infiniti Description

The P0081 code in an Infiniti vehicle indicates a problem with the intake valve control solenoid circuit in Bank 2. The intake valve control solenoid is responsible for controlling the flow of air into the engine, ensuring optimal performance and fuel efficiency. When this circuit malfunctions, it can lead to issues with the engine's air intake, potentially resulting in decreased engine performance, reduced fuel efficiency, and increased emissions. If left unaddressed, the code could lead to long-term damage to the engine and other components, ultimately impacting the overall functionality of the vehicle.

OBDII Code P0081 Infiniti - Intake Valve Control Solenoid Circuit Bank 2
P0081 Infiniti Code - Intake Valve Control Solenoid Circuit Bank 2

Common Causes of P0081 Infiniti

  1. Faulty intake valve control solenoid
  2. Wiring or connector issues in the solenoid circuit
  3. Malfunctioning PCM (Powertrain Control Module)
  4. Clogged or dirty intake valves
  5. Engine overheating causing damage to the solenoid

Symptoms of P0081 Infiniti

  1. Decreased engine performance
  2. Rough idling or stalling
  3. Poor fuel efficiency
  4. Check engine light illuminated
  5. Engine misfires

How to Fix P0081 Infiniti

  1. Use a scan tool to diagnose the specific issue within the intake valve control solenoid circuit.
  2. Inspect the wiring and connectors for any damage or corrosion, repairing or replacing as needed.
  3. Test the intake valve control solenoid for proper operation and replace if faulty.
  4. Clean or replace clogged or dirty intake valves to ensure proper airflow.
  5. Clear the diagnostic trouble codes and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0081 Infiniti

The cost of repairing a P0081 code in an Infiniti can vary depending on the specific issue causing the code and the labor rates in your area. Generally, the repair could range from $150 to $500, including parts and labor. It's important to consult with a trusted mechanic or dealership to get an accurate estimate based on your vehicle's make and model. Keep in mind that additional diagnostic time may be needed to pinpoint the exact cause of the code.

When is the Code Detected?

An improper voltage is sent to the Engine Control Module (ECM) through intake valve timing control solenoid valve.

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Information for Specific Infiniti Models

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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