Engine-CodesInfiniti – P1137 Infiniti

P1137 Infiniti Code - Swirl Control Valve Control Position Sensor Circuit

Quick Answer

The P1137 Infiniti code indicates a problem with the swirl control valve control position sensor circuit. Common causes include Faulty swirl control valve control position sensor, Wiring or connector issues in the sensor circuit, Swirl control valve stuck in a closed or open position. 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
P1137 Infiniti indicates Swirl Control Valve Control Position Sensor Circuit.
Common causes
Common causes include Faulty swirl control valve control position sensor, Wiring or connector issues in the sensor circuit, Swirl control valve stuck in a closed or open position.
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 10, 2024
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Code P1137 Infiniti Description

The P1137 Infiniti code indicates a problem with the swirl control valve control position sensor circuit. Swirl control valves are part of the engine's intake system and are responsible for controlling the airflow to optimize combustion efficiency. The swirl control valve control position sensor monitors the position of the swirl control valve and sends this information to the engine control module (ECM). When the sensor detects a fault in the circuit, it triggers the P1137 diagnostic trouble code (DTC).

OBDII Code P1137 Infiniti - Swirl Control Valve Control Position Sensor Circuit
P1137 Infiniti Code - Swirl Control Valve Control Position Sensor Circuit

Common Causes of P1137 Infiniti

  1. Faulty swirl control valve control position sensor
  2. Wiring or connector issues in the sensor circuit
  3. Swirl control valve stuck in a closed or open position
  4. ECM software or hardware issues
  5. Intake system leaks or obstructions

Symptoms of P1137 Infiniti

  1. Rough idling
  2. Stalling
  3. Hesitation during acceleration
  4. Reduced engine performance
  5. Decreased fuel efficiency

How to Fix P1137 Infiniti

  1. Diagnose the swirl control valve control position sensor circuit using a diagnostic scanner to verify the code.
  2. Inspect the wiring and connectors for any damage or corrosion and repair as necessary.
  3. Test the swirl control valve for proper operation and clean or replace it if needed.
  4. Check the ECM for any software updates or faults and address them accordingly.
  5. Clear the DTC and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1137 Infiniti

The cost of repairing the swirl control valve control position sensor circuit can vary depending on the extent of the damage and the specific components that need to be replaced. In general, the parts for this repair can range from $100 to $300, while the labor costs can be anywhere from $150 to $400. Overall, the total repair cost for this issue could be around $250 to $700. However, it's important to note that these are rough estimates, and actual costs may vary based on the factors mentioned earlier.

When is the Code Detected?

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

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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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