Engine-CodesChevrolet – P2279 Chevrolet

P2279 Chevrolet Code - Intake Air Duct Air Leak

Quick Answer

The P2279 code for Chevrolet vehicles indicates an intake air duct air leak. Common causes include Cracked or damaged intake duct, Loose connections in the intake system, Faulty seals or gaskets. 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
P2279 Chevrolet indicates Intake Air Duct Air Leak.
Common causes
Common causes include Cracked or damaged intake duct, Loose connections in the intake system, Faulty seals or gaskets.
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 P2279 Chevrolet Description

The P2279 code for Chevrolet vehicles indicates an intake air duct air leak. This means that there is a problem with the air intake system of the vehicle, specifically with air leaking from the intake duct. The intake duct is responsible for delivering air to the engine for combustion, and any leaks in this system can lead to a variety of performance issues.

OBDII Code P2279 Chevrolet - Intake Air Duct Air Leak
P2279 Chevrolet Code - Intake Air Duct Air Leak

Common Causes of P2279 Chevrolet

  1. Cracked or damaged intake duct
  2. Loose connections in the intake system
  3. Faulty seals or gaskets
  4. Improper installation of intake components
  5. Debris or blockages in the intake duct

Symptoms of P2279 Chevrolet

  1. Decreased engine performance
  2. Reduced fuel efficiency
  3. Rough idling or stalling
  4. Check Engine Light illuminated
  5. Engine hesitation or misfiring

How to Fix P2279 Chevrolet

  1. Inspect the intake duct for any cracks or damage.
  2. Check all connections in the intake system for tightness.
  3. Replace any faulty seals or gaskets.
  4. Clean out any debris or blockages in the intake duct.
  5. Reset the Check Engine Light and test drive the vehicle to ensure the issue is resolved.

Cost to Fix P2279 Chevrolet

The typical repair costs for addressing an intake air duct air leak can range from $100 to $500, depending on the severity of the issue and the cost of replacement parts. This estimate includes both parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate based on the specific make and model of the vehicle.

Need more information about the P2279 Chevrolet code?

Need more information on how to fix the P2279 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2279 Chevrolet code diagnosed by a professional: Find a repair shop in your area

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 P2279 Chevrolet Code

1. What does the OBDII code P2279 mean on a Chevrolet?

P2279 indicates an "Intake Air Duct Air Leak," meaning there's a vacuum or air leak in the intake system, which can cause unmetered air to enter the engine.

2. What are the symptoms of a P2279 code on a Chevrolet?

Symptoms may include rough idling, decreased engine performance, stalling, poor fuel economy, or the Check Engine Light turning on.

3. What are common causes of a P2279 code on a Chevrolet?

Common causes include a cracked or loose intake hose, damaged intake manifold gaskets, a faulty PCV valve, or leaks around the throttle body.

4. Can a dirty air filter cause a P2279 code on a Chevrolet?

While a dirty air filter itself might not cause P2279, it can contribute to intake system issues that exacerbate air leaks.

5. How do I diagnose a P2279 code on my Chevrolet?

Start by inspecting the intake air duct, hoses, and connections for visible cracks or leaks. You can also use a smoke test or listen for hissing sounds to detect air leaks.

6. How serious is the P2279 code on a Chevrolet?

P2279 can lead to poor engine performance and potential long-term damage if ignored. It should be addressed promptly to prevent further issues.

7. Can I drive my Chevrolet with a P2279 code?

Driving with a P2279 code is not recommended, as it can cause rough running, reduced fuel efficiency, and potential damage to engine components.

8. How much does it cost to fix a P2279 code on a Chevrolet?

Repair costs vary depending on the issue; fixing a loose hose may cost very little, while replacing intake manifold gaskets or other components could range from $200 to $600 or more.

9. Can the P2279 code trigger other fault codes on a Chevrolet?

Yes, P2279 can trigger other codes related to fuel and air mixture imbalances, such as misfire or oxygen sensor codes.

10. What tools are needed to fix a P2279 code on a Chevrolet?

Basic tools include a socket set, screwdrivers, and a scan tool. A smoke machine or soapy water may also help pinpoint leaks in the intake system.

Discuss the causes and fixes for P2279 Chevrolet OBDII Code

Code P2279 Chevrolet comments

No comments found for this page.