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P1145 Infiniti Code - Intake Valve Timing Control Performance Bank 2

Quick Answer

The P1145 Infiniti code refers to a malfunction in the Intake Valve Timing Control Performance of Bank 2. Common causes include Faulty Intake Valve Timing Control solenoid, Wiring issues or electrical faults, Low engine oil levels or poor oil quality. 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
P1145 Infiniti indicates Intake Valve Timing Control Performance Bank 2.
Common causes
Common causes include Faulty Intake Valve Timing Control solenoid, Wiring issues or electrical faults, Low engine oil levels or poor oil quality.
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 P1145 Infiniti Description

The P1145 Infiniti code refers to a malfunction in the Intake Valve Timing Control Performance of Bank 2. This means that there is an issue with the timing of the intake valves in the engine on the specific bank, which can lead to various performance issues. In modern engines, the intake valve timing is crucial for optimizing fuel efficiency, emissions, and overall engine performance. The Intake Valve Timing Control system works to adjust the timing of the intake valves to ensure the engine operates at its peak efficiency.

OBDII Code P1145 Infiniti - Intake Valve Timing Control Performance Bank 2
P1145 Infiniti Code - Intake Valve Timing Control Performance Bank 2

Common Causes of P1145 Infiniti

  1. Faulty Intake Valve Timing Control solenoid
  2. Wiring issues or electrical faults
  3. Low engine oil levels or poor oil quality
  4. Timing chain or belt issues
  5. Carbon buildup in the intake system

Symptoms of P1145 Infiniti

  1. Reduced engine performance
  2. Rough idle or stalling
  3. Decreased fuel efficiency
  4. Engine misfires
  5. Illuminated check engine light

How to Fix P1145 Infiniti

  1. Diagnose the specific cause of the issue using a scan tool to pinpoint the exact problem with the Intake Valve Timing Control system.
  2. Inspect the Intake Valve Timing Control solenoid, wiring, and connectors for any signs of damage or corrosion. Replace any faulty components.
  3. Check the engine oil levels and quality. If low or dirty, perform an oil change and ensure the correct oil viscosity is used.
  4. Inspect the timing chain or belt for wear or damage. Replace if necessary.
  5. Clean the intake system to remove any carbon buildup that could be affecting the intake valve timing.

Cost to Fix P1145 Infiniti

The typical repair cost for addressing the P1145 Infiniti code can vary depending on the specific cause of the issue. In general, parts for this repair can range from $100 to $300, while labor costs can vary between $150 to $400. Overall, the total repair cost could range from $250 to $700. It's important to note that the actual cost may vary based on the location, vehicle make and model, and the specific diagnosis time and labor rates at the auto repair shop. It's recommended to obtain quotes from multiple shops to get a more accurate estimate.

What does this mean?

Tech Notes for P1145 Infiniti

Since the Intake valve timing control solenoid valve uses oil flow to control timing, dirty oil can cause the valve to stuck open or close. Before replacing the valve, change engine oil and filter and reset engine code.

When is the Code Detected?

When there is a gap between angle of target and phase-control angle degree, the valve will stop working and the ECM will trigger the P1145 code.

Need more information about the P1145 Infiniti code?

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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.

Frequently Asked Questions about P1145 Infiniti Code

1. What are common symptoms of OBDII code P1145 in an Infiniti related to Intake Valve Timing Control Performance Bank 2?

- Common symptoms include rough idling, reduced engine performance, and potential stalling.

2. What are the possible causes of OBDII code P1145 in an Infiniti related to Intake Valve Timing Control Performance Bank 2?

- Possible causes include a faulty intake valve timing control solenoid, wiring issues, or problems with the timing control valve itself.

3. How can I diagnose OBDII code P1145 in an Infiniti related to Intake Valve Timing Control Performance Bank 2?

- Diagnosis typically involves using a scan tool to read the code, performing a visual inspection of related components, and testing the intake valve timing control solenoid.

4. Can driving with OBDII code P1145 in an Infiniti related to Intake Valve Timing Control Performance Bank 2 cause further damage?

- Continued driving with this code can potentially lead to engine damage or decreased fuel efficiency, so it's recommended to address the issue promptly.

5. Is it safe to continue driving my Infiniti with OBDII code P1145 related to Intake Valve Timing Control Performance Bank 2?

- It's not recommended to drive the vehicle with this code present, as it can impact the engine's performance and potentially lead to further issues.

6. How can I repair OBDII code P1145 in my Infiniti related to Intake Valve Timing Control Performance Bank 2?

- Repair typically involves replacing the faulty intake valve timing control solenoid, addressing any wiring issues, and resetting the code.

7. Are there any DIY tips for fixing OBDII code P1145 in an Infiniti related to Intake Valve Timing Control Performance Bank 2?

- While some may attempt to replace the intake valve timing control solenoid themselves, it's recommended to consult with a professional mechanic for proper diagnosis and repair.

8. How much does it cost to repair OBDII code P1145 in an Infiniti related to Intake Valve Timing Control Performance Bank 2?

- Repair costs can vary depending on the exact issue, but expect to pay for parts and labor, which can range from a couple of hundred to several hundred dollars.

9. Can a clogged oil passage be a potential cause of OBDII code P1145 in an Infiniti related to Intake Valve Timing Control Performance Bank 2?

- Yes, a clogged oil passage can restrict the flow of oil to the timing control components, leading to performance issues and triggering this code.

10. Is it necessary to clear the OBDII code P1145 after repairing the issue in an Infiniti related to Intake Valve Timing Control Performance Bank 2?

- Yes, it's important to clear the code after the repair to reset the system and ensure the issue has been properly addressed.

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