AutoCodes – Honda – P0137 1996 Honda Civic

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

Quick Answer

The heated oxygen sensor 2 (HO2S), after three way catalyst (manifold), monitors the oxygen level in the exhaust gas on each bank. Common causes include Faulty Rear Heated Oxygen Sensor Bank 1, Rear Heated Oxygen Sensor Bank 1 harness is open or shorted, Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection. 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 Rear Heated Oxygen Sensor Bank 1, Rear Heated Oxygen Sensor Bank 1 harness is open or shorted, Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection.
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.

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Code Popularity 7,504

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Mar 31, 2024

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0137 1996 Honda Civic Description

The heated oxygen sensor 2 (HO2S), after three way catalyst (manifold), monitors the oxygen level in the exhaust gas on each bank. For optimum catalyst operation, the air fuel mixture (air-fuel ratio) must be maintained near the ideal stoichiometric ratio. The HO2S output voltage changes suddenly in the vicinity of the stoichiometric ratio. The Engine Control Module (ECM) adjusts the fuel injection time so that the air-fuel ratio is nearly stoichiometric. The HO2S generates a voltage between 0.1 and 0.9 V in response to oxygen in the exhaust gas. If the oxygen in the exhaust gas increases, the air-fuel ratio becomes Lean. The ECM interprets Lean when the HO2S voltage is below 0.45 V. If the oxygen in the exhaust gas decreases, the air-fuel ratio becomes Rich. The ECM interprets Rich when the HO2S voltage is above 0.45 V.

OBDII Code P0137 1996 Honda Civic - O2 Sensor Circuit Low Voltage Bank 1 Sensor 2 - AutoCodes.com — P0137 1996 Honda Civic Code - O2 Sensor Circuit Low Voltage Bank 1 Sensor 2

What does this mean?

What are the Possible Causes of the DTC P0137 1996 Honda Civic?

Faulty Rear Heated Oxygen Sensor Bank 1
Rear Heated Oxygen Sensor Bank 1 harness is open or shorted
Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection
Inappropriate fuel pressure
Faulty fuel injectors
Intake air leaks may be faulty
Exhaust gas leaks

How to Fix the DTC P0137 1996 Honda Civic?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What does this mean?

Code Tech Notes

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

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0137 1996 Honda Civic code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0137 1996 Honda Civic 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 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 engineâ€™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.