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P1479 Chevrolet Code - Particulate Matter Sensor Sensitivity Factor Performance

Quick Answer

The P1479 Chevrolet diagnostic trouble code (DTC) indicates an issue with the Particulate Matter Sensor Sensitivity Factor Performance. Common causes include Faulty particulate matter sensor, Wiring or connection issues, Exhaust leaks. 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
P1479 Chevrolet indicates Particulate Matter Sensor Sensitivity Factor Performance.
Common causes
Common causes include Faulty particulate matter sensor, Wiring or connection issues, Exhaust leaks.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 06, 2024
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Code P1479 Chevrolet Description

The P1479 Chevrolet diagnostic trouble code (DTC) indicates an issue with the Particulate Matter Sensor Sensitivity Factor Performance. This sensor is responsible for monitoring the levels of particulate matter, such as soot, in the exhaust gases of a diesel engine. The sensor plays a crucial role in ensuring that the vehicle meets emissions regulations by accurately measuring particulate matter levels and providing feedback to the engine control module (ECM) to adjust fuel injection and other parameters as needed.

OBDII Code P1479 Chevrolet - Particulate Matter Sensor Sensitivity Factor Performance
P1479 Chevrolet Code - Particulate Matter Sensor Sensitivity Factor Performance

Common Causes of P1479 Chevrolet

  1. Faulty particulate matter sensor
  2. Wiring or connection issues
  3. Exhaust leaks
  4. Software calibration error
  5. Engine misfires

Symptoms of P1479 Chevrolet

  1. Reduced fuel efficiency
  2. Decreased engine performance
  3. Check Engine Light illuminated
  4. Increased emissions output
  5. Rough idle or stalling

How to Fix P1479 Chevrolet

  1. Perform a diagnostic scan to retrieve the specific fault code and pinpoint the issue.
  2. Inspect the particulate matter sensor, wiring, and connections for any visible damage or corrosion.
  3. Test the sensor's functionality using specialized diagnostic equipment.
  4. Replace the particulate matter sensor if it is found to be faulty.
  5. Clear the fault code from the ECM and perform a test drive to ensure the issue has been resolved.

Cost to Fix P1479 Chevrolet

The cost of repairing a P1479 Chevrolet code can vary depending on the specific cause of the issue and the labor rates at the repair facility. In general, the cost of replacing a particulate matter sensor can range from $200 to $500, including parts and labor. Additional costs may apply if any wiring or connection repairs are needed. It's important to note that diagnostic time and labor rates can vary, so it's recommended to get a quote from a trusted auto repair shop in your area for a more accurate estimate.

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Information for Specific Chevrolet 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 P1479 Chevrolet Code

1. What are common symptoms of OBDII code P1479 in a Chevrolet related to the Particulate Matter Sensor Sensitivity Factor Performance?

Symptoms may include poor engine performance, decreased fuel efficiency, and the illumination of the check engine light.

2. What are some possible causes of OBDII code P1479 in a Chevrolet?

Potential causes could be a faulty particulate matter sensor, issues with the sensor wiring or connectors, or problems with the sensor sensitivity factor.

3. How can I diagnose the OBDII code P1479 in my Chevrolet?

Diagnosis typically involves using an OBDII scanner to retrieve the code, checking the particulate matter sensor for any visible damage, and inspecting the wiring and connectors for any issues.

4. Can I drive my Chevrolet with OBDII code P1479 present?

It is not recommended to drive the vehicle with this code present, as it can lead to further engine damage and decreased performance. It is best to address the issue promptly.

5. How can I repair OBDII code P1479 in a Chevrolet?

Repair options may include replacing the faulty particulate matter sensor, repairing any damaged wiring or connectors, and resetting the code with an OBDII scanner.

6. Are there any simple checks I can perform before taking my Chevrolet to a mechanic for OBDII code P1479?

You can visually inspect the sensor and its wiring for any obvious issues, ensure the sensor is securely connected, and check for any loose or damaged components in the sensor system.

7. Will OBDII code P1479 cause my Chevrolet to fail an emissions test?

Yes, this code can potentially cause your vehicle to fail an emissions test due to the impact on engine performance and emissions control.

8. How much does it typically cost to repair OBDII code P1479 in a Chevrolet?

The cost of repair can vary depending on the exact cause of the issue, but it may range from $100 to $500, including parts and labor.

9. Can a DIY enthusiast without much experience address OBDII code P1479 in a Chevrolet?

While some basic repairs like sensor replacement or wiring checks can be done by a DIY enthusiast, it is recommended to consult a professional mechanic for accurate diagnosis and repair.

10. Is OBDII code P1479 a common issue in Chevrolet vehicles?

While not as common as some other OBDII codes, P1479 related to the Particulate Matter Sensor Sensitivity Factor Performance can occur in Chevrolet vehicles equipped with this sensor system.

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