Engine-CodesAcura – P2244 Acura

P2244 Acura Code - O2 Sensor Reference Voltage Performance Bank 1 Sensor 1

Quick Answer

The P2244 diagnostic trouble code (DTC) for Acura vehicles specifically refers to an issue with the O2 sensor reference voltage performance on Bank 1 Sensor 1. Common causes include Faulty O2 sensor, Damaged wiring or connectors in the O2 sensor circuit, Issues with the PCM. 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
P2244 Acura indicates O2 Sensor Reference Voltage Performance Bank 1 Sensor 1.
Common causes
Common causes include Faulty O2 sensor, Damaged wiring or connectors in the O2 sensor circuit, Issues with the PCM.
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.
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P2244 Acura Description

The P2244 diagnostic trouble code (DTC) for Acura vehicles specifically refers to an issue with the O2 sensor reference voltage performance on Bank 1 Sensor 1. The O2 sensor, also known as the oxygen sensor, plays a crucial role in monitoring the oxygen levels in the exhaust gases to ensure the optimal air-fuel ratio for combustion in the engine. Bank 1 Sensor 1 is typically located in the exhaust manifold before the catalytic converter.

OBDII Code P2244 Acura - O2 Sensor Reference Voltage Performance Bank 1 Sensor 1
P2244 Acura Code - O2 Sensor Reference Voltage Performance Bank 1 Sensor 1

Common Causes of P2244 Acura

  1. Faulty O2 sensor
  2. Damaged wiring or connectors in the O2 sensor circuit
  3. Issues with the PCM
  4. Vacuum leak in the intake system
  5. Exhaust leaks near the O2 sensor

Symptoms of P2244 Acura

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

How to Fix P2244 Acura

  1. Begin by diagnosing the specific cause of the P2244 code using a scan tool to pinpoint the faulty component.
  2. Inspect the O2 sensor and its wiring for any visible damage or corrosion. Replace the sensor if necessary.
  3. Check the PCM for any signs of malfunction and reprogram or replace it if needed.
  4. Test for vacuum leaks in the intake system using a smoke machine or a vacuum gauge. Repair any leaks found.
  5. Clear the DTC and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P2244 Acura

The typical repair costs for addressing the P2244 code on an Acura vehicle can range from $200 to $500, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary significantly based on factors such as location, vehicle make and model, and engine type. Therefore, it's recommended to obtain quotes from multiple sources to get a more accurate estimate for the repair.

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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 P2244 Acura Code

What does the OBDII code P2244 mean on an Acura?

P2244 stands for "O2 Sensor Reference Voltage Performance Bank 1 Sensor 1" and indicates an issue with the reference voltage for the upstream oxygen sensor on Bank 1.

What are the symptoms of code P2244 on an Acura?

Common symptoms include an illuminated check engine light, poor fuel economy, rough idling, hesitation during acceleration, or failed emissions tests.

What causes the P2244 code on an Acura?

Typical causes include a faulty oxygen sensor, damaged wiring or connectors, a failing powertrain control module (PCM), or issues with the sensor's reference voltage circuit.

How is the P2244 code diagnosed on an Acura?

A technician will use a scan tool to read the code, inspect the oxygen sensor and its wiring, test the reference voltage circuit, and check for other related codes or underlying issues.

Can a faulty oxygen sensor cause the P2244 code?

Yes, a failing or damaged upstream oxygen sensor (Bank 1 Sensor 1) is a common cause of this code.

How do you fix the P2244 code on an Acura?

Repairs typically involve replacing the faulty oxygen sensor, repairing damaged wiring or connectors, or addressing issues in the circuit or PCM.

Is it safe to drive an Acura with the P2244 code?

Driving with this code may lead to poor performance and increased emissions. It's best to address the issue promptly to avoid further damage.

How much does it cost to fix the P2244 code on an Acura?

Repair costs vary but may range from $150 to $400, depending on whether the oxygen sensor needs replacement or wiring repairs are required.

Can a dirty air filter trigger the P2244 code?

A dirty air filter is unlikely to directly cause this code, but it can contribute to poor engine performance, which could worsen the issue.

Do I need to clear the P2244 code after repairs?

Yes, after completing repairs, use an OBDII scanner to clear the code and verify if the issue is resolved by performing a test drive.

Discuss the causes and fixes for P2244 Acura OBDII Code

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