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P1137 2002 Nissan Sentra Code - Swirl Control Valve Control Position Sensor Circuit

Quick Answer

The P1137 code on a 2002 Nissan Sentra indicates a problem with the swirl control valve control position sensor circuit. Common causes include Faulty swirl control valve control position sensor, Wiring issues or shorts in the sensor circuit, ECM 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
P1137 2002 Nissan Sentra indicates Swirl Control Valve Control Position Sensor Circuit.
Common causes
Common causes include Faulty swirl control valve control position sensor, Wiring issues or shorts in the sensor circuit, ECM 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 13, 2024
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Code P1137 2002 Nissan Sentra Description

The P1137 code on a 2002 Nissan Sentra indicates a problem with the swirl control valve control position sensor circuit. The swirl control valve is a component of the intake system that helps to optimize air-fuel mixture for combustion in the engine. The control position sensor is responsible for monitoring the position of the swirl control valve and sending this information to the engine control module (ECM). When the sensor detects a deviation from the expected position, it triggers the P1137 code.

OBDII Code P1137 2002 Nissan Sentra - Swirl Control Valve Control Position Sensor Circuit
P1137 2002 Nissan Sentra Code - Swirl Control Valve Control Position Sensor Circuit

Common Causes of P1137 2002 Nissan Sentra

  1. Faulty swirl control valve control position sensor
  2. Wiring issues or shorts in the sensor circuit
  3. ECM malfunction
  4. Vacuum leaks in the intake system
  5. Carbon buildup in the swirl control valve

Symptoms of P1137 2002 Nissan Sentra

  1. Reduced engine power
  2. Poor fuel economy
  3. Rough idling
  4. Stalling
  5. Check Engine Light illuminated

How to Fix P1137 2002 Nissan Sentra

  1. Diagnose the swirl control valve control position sensor circuit using a scan tool to confirm the P1137 code.
  2. Inspect the sensor, wiring, and connections for any visible damage or corrosion.
  3. Test the sensor's resistance and voltage output to determine if it is functioning within specifications.
  4. Replace the swirl control valve control position sensor if it is found to be faulty.
  5. Clear the code and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1137 2002 Nissan Sentra

The typical repair costs for addressing a P1137 code on a 2002 Nissan Sentra can vary depending on the specific cause of the issue. In general, replacing the swirl control valve control position sensor can range from $150 to $300, including parts and labor. Additional costs may apply if there are wiring or ECM issues that need to be addressed. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate.

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.

Frequently Asked Questions about P1137 2002 Nissan Sentra Code

1. What does OBDII code P1137 mean on a 2002 Nissan Sentra?

- OBDII code P1137 indicates a fault with the swirl control valve control position sensor circuit in a 2002 Nissan Sentra.

2. What are the common symptoms of OBDII code P1137 on a 2002 Nissan Sentra?

- Common symptoms of code P1137 may include rough idling, decreased engine performance, and the illumination of the Check Engine light.

3. What are possible causes of OBDII code P1137 on a 2002 Nissan Sentra?

- Possible causes of code P1137 include a faulty swirl control valve, a malfunctioning swirl control valve control position sensor, wiring issues, or a poor electrical connection.

4. How can I diagnose OBDII code P1137 on my 2002 Nissan Sentra?

- Diagnosing code P1137 typically involves using an OBDII scanner to retrieve the code, inspecting the swirl control valve and its sensor, checking the wiring for any damage, and testing the electrical connections.

5. Can I continue driving my 2002 Nissan Sentra with OBDII code P1137?

- It is not recommended to drive your vehicle with code P1137 as it can lead to further engine damage and decreased performance. It is best to address the issue promptly.

6. How can I repair OBDII code P1137 on my 2002 Nissan Sentra?

- Repairing code P1137 may involve replacing the swirl control valve, the swirl control valve control position sensor, or repairing any damaged wiring or connections as needed.

7. Is it possible to reset OBDII code P1137 on a 2002 Nissan Sentra without repairs?

- While clearing the code may temporarily turn off the Check Engine light, the underlying issue causing code P1137 will persist until properly addressed.

8. Are there any maintenance tips to prevent OBDII code P1137 on a 2002 Nissan Sentra?

- Regularly servicing the swirl control valve system, checking for any signs of wear or damage, and addressing any issues promptly can help prevent code P1137 from occurring.

9. How much does it cost to fix OBDII code P1137 on a 2002 Nissan Sentra?

- The cost of repairing code P1137 can vary depending on the specific issue, parts needed, and labor costs. It is recommended to consult a mechanic for an accurate estimate.

10. Can OBDII code P1137 on a 2002 Nissan Sentra be a DIY repair?

- While some experienced individuals may be able to diagnose and repair code P1137 themselves, it is recommended to seek professional help to ensure the issue is properly addressed.

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