Engine-CodesInfiniti – P1135 Infiniti

P1135 Infiniti Code - Intake Valve Timing Control Bank 2

Quick Answer

The P1135 code for Infiniti vehicles specifically refers to an issue with the Intake Valve Timing Control Bank 2. Common causes include Faulty intake valve timing control solenoid, Damaged wiring or connectors in the system, Issues with the timing chain or belt. 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
P1135 Infiniti indicates Intake Valve Timing Control Bank 2.
Common causes
Common causes include Faulty intake valve timing control solenoid, Damaged wiring or connectors in the system, Issues with the timing chain or belt.
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 07, 2024
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Code P1135 Infiniti Description

The P1135 code for Infiniti vehicles specifically refers to an issue with the Intake Valve Timing Control Bank 2. This code indicates that there is a problem with the intake valve timing control system on the second bank of cylinders in the engine. The intake valve timing control system is responsible for optimizing the opening and closing of the intake valves to ensure the proper air-fuel mixture is delivered to the engine cylinders at the right time for combustion.

OBDII Code P1135 Infiniti - Intake Valve Timing Control Bank 2
P1135 Infiniti Code - Intake Valve Timing Control Bank 2

Common Causes of P1135 Infiniti

  1. Faulty intake valve timing control solenoid
  2. Damaged wiring or connectors in the system
  3. Issues with the timing chain or belt
  4. Low engine oil levels
  5. Engine overheating

Symptoms of P1135 Infiniti

  1. Reduced engine power
  2. Decreased fuel efficiency
  3. Rough idling
  4. Hesitation during acceleration
  5. Vehicle going into limp mode

How to Fix P1135 Infiniti

  1. Diagnose the specific cause of the issue using a scan tool to pinpoint the problem area.
  2. Inspect the intake valve timing control solenoid, wiring, and connectors for any damage or corrosion.
  3. Check the timing chain or belt for proper tension and alignment.
  4. Replace any faulty components, such as the solenoid or damaged wiring.
  5. Clear the error code and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1135 Infiniti

The typical repair costs for addressing the P1135 code on an Infiniti vehicle can range from $200 to $500, depending on the specific cause of the issue and the cost of replacement parts. This estimate includes both parts and labor. However, it is important to note that the actual cost may vary based on factors such as the location of the repair shop, the vehicle make and model, and the engine type. Additionally, diagnosis time and labor rates at auto repair shops can vary, with rates typically ranging between $80 and $150 per hour. It is advisable to inquire about local rates for a more accurate estimate.

Tech Notes for P1135 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 Engine Control Module (ECM) will trigger the P1135 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.

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