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P0132 Infiniti Code - Air Fuel Ratio Circuit High Bank 1 Sensor 1

Quick Answer

The P0132 code for Infiniti vehicles indicates an issue with the Air Fuel Ratio Circuit High in Bank 1 Sensor 1. Common causes include Faulty oxygen sensor, Wiring issues or shorts in the oxygen sensor circuit, Vacuum leaks in the intake system. 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
P0132 Infiniti indicates Air Fuel Ratio Circuit High Bank 1 Sensor 1.
Common causes
Common causes include Faulty oxygen sensor, Wiring issues or shorts in the oxygen sensor circuit, Vacuum leaks in the intake system.
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 P0132 Infiniti Description

The P0132 code for Infiniti vehicles indicates an issue with the Air Fuel Ratio Circuit High in Bank 1 Sensor 1. This code specifically relates to the oxygen sensor located before the catalytic converter on the bank 1 side of the engine. The oxygen sensor plays a crucial role in monitoring the oxygen levels in the exhaust gases, which helps the engine control module (ECM) adjust the air-fuel mixture for optimal combustion efficiency.

OBDII Code P0132 Infiniti - Air Fuel Ratio Circuit High Bank 1 Sensor 1
P0132 Infiniti Code - Air Fuel Ratio Circuit High Bank 1 Sensor 1

Common Causes of P0132 Infiniti

  1. Faulty oxygen sensor
  2. Wiring issues or shorts in the oxygen sensor circuit
  3. Vacuum leaks in the intake system
  4. Exhaust leaks near the oxygen sensor
  5. Issues with the fuel system, such as a clogged fuel injector

Symptoms of P0132 Infiniti

  1. Decreased fuel efficiency
  2. Rough idling or stalling
  3. Engine misfires
  4. Check Engine Light illuminated
  5. Strong fuel odor from the exhaust

How to Fix P0132 Infiniti

  1. Begin by diagnosing the root cause of the P0132 code using a scan tool to monitor the oxygen sensor's voltage readings.
  2. Inspect the oxygen sensor and its wiring for any visible damage or corrosion. Replace the oxygen sensor if necessary.
  3. Check for any vacuum leaks in the intake system and repair as needed.
  4. Inspect the exhaust system for leaks near the oxygen sensor and repair any leaks found.
  5. Clear the code from the ECM's memory and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0132 Infiniti

The typical repair costs for addressing a P0132 code in an Infiniti vehicle can range from $150 to $400, depending on the specific cause of the issue and the cost of parts and labor in your area. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to obtain quotes from multiple shops to ensure a competitive price. Remember that regular maintenance and prompt repairs can help prevent more severe issues and costly repairs in the future.

What does this mean?

Tech Notes for P0132 Infiniti

Replacing the Air fuel ratio (A/F) sensor 1 bank 1 usually takes care of the problem.



For Infiniti models before 2005 see: P0132 Infiniti

When is the Code Detected?

The Air Fuel Ratio (A/F) signal computed by Engine Control Module (ECM) from the A/F sensor 1 signal is constantly approx. 5V.

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Information for Specific Infiniti 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.

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