Engine-CodesInfiniti – P1032 Infiniti

P1032 Infiniti Code - Air Fuel Ratio Sensor 1 Heater Control Circuit High Bank 1

Quick Answer

The P1032 Infiniti code indicates a problem with the Air Fuel Ratio Sensor 1 Heater Control Circuit High in Bank 1 of the vehicle. Common causes include Faulty Air Fuel Ratio Sensor 1, Malfunctioning heater control circuit, Short or open circuit in the sensor's wiring. 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
P1032 Infiniti indicates Air Fuel Ratio Sensor 1 Heater Control Circuit High Bank 1.
Common causes
Common causes include Faulty Air Fuel Ratio Sensor 1, Malfunctioning heater control circuit, Short or open circuit in the sensor's wiring.
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 10, 2024
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Code P1032 Infiniti Description

The P1032 Infiniti code indicates a problem with the Air Fuel Ratio Sensor 1 Heater Control Circuit High in Bank 1 of the vehicle. This sensor is responsible for measuring the air-fuel mixture in the engine and providing feedback to the engine control module to ensure optimal combustion. The heater control circuit is designed to warm up the sensor quickly to improve its accuracy and efficiency, especially during cold starts.

OBDII Code P1032 Infiniti - Air Fuel Ratio Sensor 1 Heater Control Circuit High Bank 1
P1032 Infiniti Code - Air Fuel Ratio Sensor 1 Heater Control Circuit High Bank 1

Common Causes of P1032 Infiniti

  1. Faulty Air Fuel Ratio Sensor 1.
  2. Malfunctioning heater control circuit.
  3. Short or open circuit in the sensor's wiring.
  4. Corrosion or damage to sensor connectors.
  5. Issues with the engine control module.

Symptoms of P1032 Infiniti

  1. Check Engine Light illuminated on the dashboard.
  2. Decreased fuel efficiency.
  3. Rough idling or stalling.
  4. Increased emissions.
  5. Engine may run rich or lean.

How to Fix P1032 Infiniti

  1. Diagnose the issue by reading the diagnostic code and performing visual inspections and tests on the sensor and its circuit.
  2. Replace the Air Fuel Ratio Sensor 1 if it is found to be faulty.
  3. Repair or replace the heater control circuit if necessary.
  4. Check and repair any damaged wiring or connectors.
  5. Clear the code and reset the engine control module to ensure proper operation.

Cost to Fix P1032 Infiniti

The cost of repairing the Air Fuel Ratio Sensor 1 Heater Control Circuit High Bank 1 can vary depending on the make and model of the vehicle, the location of the repair shop, and the extent of the damage. On average, the parts for this repair can range from $100 to $300, while the labor costs can be between $150 and $300. Overall, the total repair cost can be anywhere from $250 to $600. It's recommended to get a few quotes from different repair shops to compare prices and ensure you are getting a fair deal.

When is the Code Detected?

The current amperage in the heated air fuel ratio (A/F) sensor 1 heater circuit is out of the normal range. An excessively high voltage signal is sent to Engine Control Module (ECM) through the heated air fuel ratio (A/F) sensor 1 heater.

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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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