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P1084 Infiniti Code - Exhaust Valve Timing Control Position Sensor Bank 2 Circuit

Quick Answer

The P1084 Infiniti code refers to an issue with the Exhaust Valve Timing Control Position Sensor in Bank 2 circuit. Common causes include Faulty Exhaust Valve Timing Control Position Sensor, Wiring or connection issues in the sensor circuit, ECM software or hardware malfunction. 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
P1084 Infiniti indicates Exhaust Valve Timing Control Position Sensor Bank 2 Circuit.
Common causes
Common causes include Faulty Exhaust Valve Timing Control Position Sensor, Wiring or connection issues in the sensor circuit, ECM software or hardware malfunction.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 08, 2024
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Code P1084 Infiniti Description

The P1084 Infiniti code refers to an issue with the Exhaust Valve Timing Control Position Sensor in Bank 2 circuit. In modern vehicles, the exhaust valve timing control system plays a crucial role in regulating the engine's performance and emissions. The position sensor helps monitor the position of the exhaust valves, ensuring they open and close at the correct times for optimal engine operation.

OBDII Code P1084 Infiniti - Exhaust Valve Timing Control Position Sensor Bank 2 Circuit
P1084 Infiniti Code - Exhaust Valve Timing Control Position Sensor Bank 2 Circuit

Common Causes of P1084 Infiniti

  1. Faulty Exhaust Valve Timing Control Position Sensor
  2. Wiring or connection issues in the sensor circuit
  3. ECM software or hardware malfunction
  4. Engine mechanical problems affecting sensor operation
  5. Sensor circuit short or open

Symptoms of P1084 Infiniti

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

How to Fix P1084 Infiniti

  1. Diagnose the issue with a professional scan tool to confirm the P1084 code and pinpoint the exact cause.
  2. Inspect the Exhaust Valve Timing Control Position Sensor in Bank 2 circuit for any visible damage or wiring issues.
  3. Test the sensor's operation using a multimeter to check for proper voltage and resistance readings.
  4. Replace the faulty sensor if it fails the tests, ensuring the new sensor is correctly installed and calibrated.
  5. Clear the code from the ECM's memory and test drive the vehicle to verify that the issue has been resolved.

Cost to Fix P1084 Infiniti

The typical repair costs for addressing the P1084 Infiniti code can vary depending on the vehicle make and model, as well as the specific repairs needed. In general, replacing the Exhaust Valve Timing Control Position Sensor and addressing any related wiring or connection issues can range from $200 to $500, including parts and labor. However, it's essential to consider that diagnosis time and labor rates at auto repair shops can fluctuate, so it's advisable to check with local providers for a more accurate estimate. Keep in mind that rates may be higher at dealerships or in metropolitan areas, while independent shops often offer more competitive pricing.

When is the Code Detected?

An excessively high or low voltage from the sensor is sent to Engine Control Module (ECM).

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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.

Frequently Asked Questions about P1084 Infiniti Code

1. What are the common symptoms of OBDII code P1084 in an Infiniti related to the Exhaust Valve Timing Control Position Sensor Bank 2 Circuit?

- Common symptoms include rough idling, loss of power, engine misfires, and decreased fuel efficiency.

2. What are the possible causes of OBDII code P1084 in an Infiniti?

- Possible causes include a faulty exhaust valve timing control position sensor, wiring issues, engine mechanical problems, or a malfunctioning PCM.

3. How can I diagnose OBDII code P1084 in my Infiniti?

- Diagnosing this code typically involves using a professional OBDII scanner to retrieve the specific trouble code, followed by inspecting the exhaust valve timing control position sensor and related wiring for any visible damage.

4. Can I still drive my Infiniti with OBDII code P1084 present?

- It is not recommended to drive your vehicle with this code present, as it can lead to further engine damage and decreased performance over time.

5. How can I repair OBDII code P1084 in my Infiniti?

- Repairing this code may involve replacing the faulty exhaust valve timing control position sensor, repairing any damaged wiring, or addressing any underlying engine issues causing the fault.

6. Is it possible to reset OBDII code P1084 in my Infiniti without fixing the underlying issue?

- While you can clear the trouble code using an OBDII scanner, it is crucial to address the root cause of the problem to prevent the code from reoccurring.

7. Can a DIY enthusiast fix OBDII code P1084 in an Infiniti?

- Depending on your skill level and access to tools, you may be able to replace the exhaust valve timing control position sensor yourself. However, diagnosing and repairing wiring or engine issues may require professional help.

8. How much does it cost to repair OBDII code P1084 in an Infiniti?

- The cost of repairing this code can vary widely depending on the specific issue, parts needed, and labor rates. It's best to consult a mechanic for an accurate estimate.

9. Are there any preventive maintenance steps to avoid OBDII code P1084 in the future?

- Regularly servicing your vehicle, using high-quality engine oil, and addressing any engine performance issues promptly can help prevent issues leading to this trouble code.

10. How long does it take to repair OBDII code P1084 in an Infiniti?

- The repair time can vary based on the exact cause of the code and the complexity of the repair. Some fixes, like sensor replacement, can be completed in a few hours, while more extensive repairs may take longer.

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