AutoCodes – Honda – P0134 2017 Honda CR-V

P0134 2017 Honda CR-V Code - Air/Fuel Ratio Sensor 1 Heater System Malfunction

Quick Answer

The Air/Fuel Ratio (A/F) Sensor (Sensor 1) is activated by warming the element with a heater and by maintaining a steady high temperature to accurately calculate the air/fuel ratio. Common causes include Faulty Air/Fuel Ratio (A/F) Sensor (Sensor 1), A/F Sensor (Sensor 1) harness is open or shorted, A/F Sensor (Sensor 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
P0134 2017 Honda CR-V indicates Air/Fuel Ratio Sensor 1 Heater System Malfunction.
Common causes
Common causes include Faulty Air/Fuel Ratio (A/F) Sensor (Sensor 1), A/F Sensor (Sensor 1) harness is open or shorted, A/F Sensor (Sensor 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 464
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 11, 2023
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Code P0134 2017 Honda CR-V Description

The Air/Fuel Ratio (A/F) Sensor (Sensor 1) is activated by warming the element with a heater and by maintaining a steady high temperature to accurately calculate the air/fuel ratio. If the heater does not properly heat the element, the A/F Sensor (Sensor 1) does not activate, and the exhaust emissions deteriorate. The Powertrain Control Module (PCM) monitors the A/F Sensor (Sensor 1) internal resistance.
1. When the A/F Sensor (Sensor 1) does not activate for a set time after the A/F sensor (sensor 1) heater is turned on (with high A/F Sensor (Sensor 1) internal resistance), a malfunction of the A/F sensor (sensor 1) heater is detected, and a Diagnostic Trouble Code (DTC) is stored.
2. When the A/F Sensor (Sensor 1) heater cycles ON and OFF for a set time, and the resistance remains high when the heater is ON, a malfunction of the A/F Sensor (Sensor 1) heater is detected, and a DTC is stored.
OBDII Code P0134 2017 Honda CR-V - Air/Fuel Ratio Sensor 1 Heater System Malfunction - AutoCodes.com
P0134 2017 Honda CR-V Code - Air/Fuel Ratio Sensor 1 Heater System Malfunction

What are the Possible Causes of the DTC P0134 2017 Honda CR-V?

  • Faulty Air/Fuel Ratio (A/F) Sensor (Sensor 1)
  • A/F Sensor (Sensor 1) harness is open or shorted
  • A/F Sensor (Sensor 1) circuit poor electrical connection

How to Fix the DTC P0134 2017 Honda CR-V?

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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0134 2017 Honda CR-V 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 P0134 2017 Honda CR-V code?

Need more information on how to fix the P0134 2017 Honda CR-V code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0134 2017 Honda CR-V code diagnosed by a professional: Find a repair shop in your area

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 P0134 2017 Honda CR-V Code

1. What is OBDII code P0134 on a 2017 Honda CR-V?

OBDII code P0134 indicates a malfunction in the Air/Fuel Ratio Sensor 1 Heater Circuit of the vehicle.

2. What are the common symptoms of a P0134 code in a 2017 Honda CR-V?

Common symptoms of a P0134 code may include decreased fuel efficiency, rough idling, and an illuminated check engine light on the dashboard.

3. What are the possible causes of a P0134 code in a 2017 Honda CR-V?

Possible causes of a P0134 code include a faulty air/fuel ratio sensor, damaged wiring or connectors in the sensor circuit, or issues with the sensor heater circuit.

4. How can I diagnose a P0134 code in my 2017 Honda CR-V?

Diagnosing a P0134 code typically involves using an OBDII scanner to retrieve the code, checking the sensor wiring and connectors for damage, and testing the sensor's heater circuit for proper operation.

5. Can I continue driving my 2017 Honda CR-V with a P0134 code?

It's generally not recommended to continue driving with a P0134 code, as it can lead to decreased fuel efficiency and potentially cause further damage to the vehicle's emissions system.

6. How can I repair a P0134 code in my 2017 Honda CR-V?

Repairing a P0134 code may involve replacing the air/fuel ratio sensor, repairing or replacing damaged wiring or connectors, or addressing issues with the sensor's heater circuit.

7. Are there any DIY tips for fixing a P0134 code in a 2017 Honda CR-V?

While some basic troubleshooting like checking for loose connections or damaged wires can be done by DIY enthusiasts, complex repairs or sensor replacements may require professional assistance.

8. How much does it cost to fix a P0134 code in a 2017 Honda CR-V?

The cost of fixing a P0134 code can vary depending on the root cause of the issue, the price of replacement parts, and labor charges. It's advisable to get estimates from local mechanics or service centers.

9. How often does a P0134 code occur in a 2017 Honda CR-V?

The occurrence of a P0134 code can vary depending on driving conditions, maintenance history, and other factors. Regular maintenance and prompt attention to check engine lights can help prevent such issues.

10. Can a P0134 code in a 2017 Honda CR-V cause further damage if left unfixed?

If left unfixed, a P0134 code can potentially lead to decreased engine performance, increased emissions, and other related issues. It's best to address the problem promptly to prevent further damage.

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