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Engine-Codes – Honda – P0137 1996 Honda Civic

P0137 1996 Honda Civic Code - O2 Sensor Circuit Low Voltage Bank 1 Sensor 2

Quick Answer

The P0137 diagnostic trouble code (DTC) specifically pertains to the O2 sensor circuit having low voltage for Bank 1 Sensor 2 in a 1996 Honda Civic. Common causes include Faulty O2 sensor, Wiring or connector issues, Exhaust leaks near the sensor. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means
P0137 1996 Honda Civic indicates O2 Sensor Circuit Low Voltage Bank 1 Sensor 2.
Common causes
Common causes include Faulty O2 sensor, Wiring or connector issues, Exhaust leaks near the sensor.
Severity
Moderate - service should be scheduled soon.
Can I drive?
The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
What is this?
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code P0137 1996 Honda Civic Description

The P0137 diagnostic trouble code (DTC) specifically pertains to the O2 sensor circuit having low voltage for Bank 1 Sensor 2 in a 1996 Honda Civic. This code indicates that the downstream oxygen sensor in the exhaust system is not operating within the expected voltage range. The O2 sensor plays a crucial role in monitoring the oxygen levels in the exhaust gases, providing feedback to the engine control module (ECM) to adjust the air-fuel mixture for optimal combustion. When the sensor detects low voltage, it suggests that the exhaust gases may be too rich, lean, or there could be an issue with the sensor itself.

OBDII Code P0137 1996 Honda Civic - O2 Sensor Circuit Low Voltage Bank 1 Sensor 2
P0137 1996 Honda Civic Code - O2 Sensor Circuit Low Voltage Bank 1 Sensor 2

Common Causes of P0137 1996 Honda Civic

  1. Faulty O2 sensor
  2. Wiring or connector issues
  3. Exhaust leaks near the sensor
  4. Internal engine problems affecting air-fuel mixture
  5. Contaminated sensor due to oil or coolant leaks

Symptoms of P0137 1996 Honda Civic

  1. Decreased fuel efficiency
  2. Rough idling or stalling
  3. Engine hesitation or misfires
  4. Illumination of the check engine light
  5. Failed emissions test

How to Fix P0137 1996 Honda Civic

  1. Begin by locating the Bank 1 Sensor 2 O2 sensor, typically located downstream of the catalytic converter.
  2. Inspect the wiring and connector for any damage or corrosion, repairing or replacing as necessary.
  3. Test the O2 sensor using a multimeter to check for proper voltage output.
  4. If the sensor is faulty, replace it with a new one compatible with the vehicle.
  5. Clear the DTC with a scan tool and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0137 1996 Honda Civic

The typical repair costs for addressing a P0137 code in a 1996 Honda Civic can range from $150 to $300, including parts and labor. However, it's important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It's advisable to check local rates for a more precise estimate.

What does this mean?

Tech Notes for P0137 1996 Honda Civic

Replacing the rear O2 Sensor bank 1 usually takes care of the problem.

When is the Code Detected?

The P0137 code is set when the Engine Control Module (ECM) detects that the rear O2 sensor signal voltage remains excessively low for an extended period of time.

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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 P0137 1996 Honda Civic Code

1. What does the OBDII code P0137 mean on a 1996 Honda Civic?

The code P0137 indicates that the oxygen sensor located at Bank 1 Sensor 2 is reporting a lower voltage than expected, suggesting a deficiency in oxygen in the exhaust.

2. Where is Bank 1 Sensor 2 located on my 1996 Honda Civic?

Bank 1 Sensor 2 refers to the oxygen sensor located downstream (after) the catalytic converter in your vehicle.

3. What are common symptoms of code P0137 in a 1996 Honda Civic?

Symptoms include a check engine light, poor fuel economy, rough engine idle, and potentially a noticeable drop in engine performance.

4. What could cause a P0137 code to appear in a 1996 Honda Civic?

Potential causes include a faulty oxygen sensor, exhaust leaks near the sensor, shorted wiring, or issues with the engine running too rich or lean.

5. How can I fix the P0137 code in my 1996 Honda Civic?

Repairs might involve replacing the oxygen sensor, repairing any exhaust leaks, fixing wiring connections, or addressing fuel mixture issues that could be affecting sensor readings.

6. Is it safe to drive my 1996 Honda Civic with the P0137 code?

While you can drive for a short period, it's best to address the issue promptly as it can lead to increased emissions, reduced fuel efficiency, and potential damage to the catalytic converter.

7. How do I verify that a new O2 sensor has resolved code P0137 in my 1996 Honda Civic?

After replacing the sensor, reset the engine’s computer by disconnecting the battery for a few minutes. If the check engine light does not return and the car runs smoothly, the issue is likely resolved.

8. Can a dirty air filter cause the P0137 code in a 1996 Honda Civic?

While a dirty air filter itself might not directly trigger this code, it can affect overall engine performance, which might contribute to conditions causing the P0137 code, such as improper fuel mixture.

9. What tools are needed to diagnose the P0137 code on a 1996 Honda Civic?

Diagnosing this issue typically requires an OBDII scanner, a digital voltmeter, and potentially a backprobe kit for detailed electrical testing of the oxygen sensor and related wiring.

10. How long does it take to fix the P0137 code in a 1996 Honda Civic?

The repair time can vary but replacing an oxygen sensor typically takes about 1-2 hours, including testing to ensure the new sensor is functioning properly.

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