Engine-CodesHonda – P1163 Honda

P1163 Honda Code - Air/Fuel Ratio Sensor 1 Slow Response

Quick Answer

The P1163 diagnostic trouble code (DTC) for Honda vehicles indicates a slow response from Air/Fuel Ratio Sensor 1. Common causes include Worn-out Air/Fuel Ratio Sensor 1, Faulty wiring or connectors, Exhaust leaks near the sensor. 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
P1163 Honda indicates Air/Fuel Ratio Sensor 1 Slow Response.
Common causes
Common causes include Worn-out Air/Fuel Ratio Sensor 1, Faulty wiring or connectors, Exhaust leaks near the sensor.
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 09, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P1163 Honda Description

The P1163 diagnostic trouble code (DTC) for Honda vehicles indicates a slow response from Air/Fuel Ratio Sensor 1. This sensor plays a crucial role in monitoring the air-to-fuel ratio in the engine's combustion process. The engine control module (ECM) uses the data from this sensor to adjust the fuel injection and optimize combustion efficiency. When the sensor exhibits a slow response, it can lead to issues with fuel delivery and combustion, affecting the vehicle's performance and emissions.

OBDII Code P1163 Honda - Air/Fuel Ratio Sensor 1 Slow Response
P1163 Honda Code - Air/Fuel Ratio Sensor 1 Slow Response

Common Causes of P1163 Honda

  1. Worn-out Air/Fuel Ratio Sensor 1
  2. Faulty wiring or connectors
  3. Exhaust leaks near the sensor
  4. Issues with the engine control module (ECM)
  5. Contaminated sensor from oil or coolant leaks

Symptoms of P1163 Honda

  1. Decreased fuel efficiency
  2. Engine hesitation or stalling
  3. Rough idling or misfires
  4. Illuminated check engine light
  5. Increased emissions

How to Fix P1163 Honda

  1. Diagnose the issue using a scan tool to confirm the P1163 code and identify the specific cause.
  2. Inspect the Air/Fuel Ratio Sensor 1 and its wiring for any damage or contamination.
  3. Replace the sensor if it shows signs of wear or malfunction.
  4. Repair any wiring issues or leaks near the sensor.
  5. Clear the DTC and reset the ECM to monitor the sensor's response post-repair.

Cost to Fix P1163 Honda

The cost of repairing a slow response from Air/Fuel Ratio Sensor 1 typically ranges from $150 to $400, depending on the vehicle make and model, the sensor's location, and labor rates. Parts for this repair may cost between $80 and $200, while labor rates at auto repair shops can vary from $80 to $150 per hour. It's advisable to consult with a trusted mechanic or service center for a more accurate estimate based on the specific vehicle and location.

When is the Code Detected?

If the element is not activated or the Engine Control Module (ECM) terminal voltage is a set value or less for at least a set time period when the power is drawn to the A/F sensor (sensor 1) heater, a malfunction is detected and the code is stored.

Need more information about the P1163 Honda code?

Need more information on how to fix the P1163 Honda code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1163 Honda code diagnosed by a professional: Find a repair shop in your area

Information for Specific Honda Models

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 P1163 Honda Code

No Frequently Asked Questions about P1163 Honda Code found.

Discuss the causes and fixes for P1163 Honda OBDII Code

Code P1163 Honda comments

No comments found for this page.