[SOLVED] Ford P2279 Code: Fast Fix For Intake Air Leak

The OBD code P2279 for Ford indicates an intake air system leak.

It affects the intake system, leading to symptoms like the Engine Light being ON.

Causes include intake leaks, a faulty Mass Air Flow sensor, or a faulty PCV system.

This issue is moderate in severity.

To fix it, check for intake leaks, inspect the MAF sensor, and review the PCV system.

Repair Importance Level10.0 (Out of 10)
Estimated Repair TimeApproximately 1.0 hour
Repair Difficulty Level10.0 (Out of 10)

The vehicle may experience a lack of power or rough idle with fault code P2279.

  • Symptoms: Engine Light ON.
  • Possible lack of power during acceleration.
  • Rough idle.
  • Possible hissing noise from the engine bay.

Do you know you can clear most fault codes—but some could mean serious danger? Don’t take chances with your safety or your family’s safety. This budget-friendly car scanner makes it easy to clear fault codes in seconds while showing you exactly what’s wrong. Plug it in, connect to your Android or iOS phone, and instantly check live data. You’ll know if it’s a minor issue you can clear or something serious that needs attention—so you can drive safely and stress-free. (Today’s Deal)

Possible triggers for Ford P2279 include vacuum leaks, faulty oxygen sensors, or a malfunctioning mass airflow sensor.

  • P2279 can be caused by intake leaks.
  • A faulty Mass Air Flow (MAF) sensor.
  • A faulty PCV system.

Address the intake air system leak to resolve Ford P2279 fault code.

  • To fix the Ford OBDII code P2279, start by reviewing the possible causes mentioned above.
  • Visually examine the corresponding wiring harness and connectors for any damage.
  • Inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
  • Check the intake system for leaks or restrictions.
  • Clean or replace the Mass Air Flow (MAF) sensor if necessary.
  • Perform a smoke test to check for vacuum leaks.
  • Reset the Engine Control Module (ECM) and clear the fault codes.
  • Test drive the vehicle to verify the repair and ensure the code does not return.

Diagnosing and repairing Ford code P2279 involves inspecting the intake air system for leaks.

The cost to diagnose and fix the Ford OBD code P2279 typically ranges from $75 to $150, based on a 1. 0hour repair time.

Factors like shop rates and the complexity of the issue can influence the final cost.

That fault code is a turning point. If repair costs are climbing and your current loan feels like it’s holding you back, this is the time to plan ahead. The free Car Loan Payment Tracker helps you see how quickly you can pay off what’s left—and start preparing, with confidence, for your dream car.

Ford code P2279 relates to an intake air system leak.

Ford OBD code P2279 means an intake air system leak.

It is triggered by the ECM (Engine Control Module) based on the signal from the oxygen sensor.

This code indicates that there is a leak in the intake air system after the throttle body.

The ECM detects this leak by comparing the oxygen sensor readings before and after the throttle body, and if there is a significant difference, it triggers the P2279 fault code.

Detailed information on Ford code P2279, which relates to an intake air system leak.

To diagnose and fix OBDII code P2279 in a Ford vehicle, start by visually inspecting the wiring harness and connectors related to the intake air system.

Check for any damage or corrosion on the components and connector pins.

Use a voltmeter to test the TCM power and ground connections.

Utilize a scan tool to confirm TCM communication over the CAN network.

If necessary, consider reprogramming the TCM.

These steps can help identify and address issues causing the P2279 trouble code.

1. What are the common symptoms associated with OBD code P2279 in a Ford vehicle?

Common symptoms for OBD code P2279 in a Ford vehicle include Engine Light ON, caused by intake leaks, faulty MAF sensor, or PCV system.

2. What is the typical cause of OBD code P2279 in a Ford vehicle?

Typical cause of OBD code P2279 in a Ford: Check for intake leaks, faulty MAF sensor, faulty PCV system. Inspect wiring harness, connectors for damage.

3. How can I diagnose and fix OBD code P2279 in my Ford vehicle?

Diagnose P2279 in Ford: Check for intake leaks, faulty MAF sensor, faulty PCV system. Inspect wiring harness, connectors for damage, broken pins, corrosion.

Ford p2279 error fault code explained

If your Ford is displaying OBD code P2279 and experiencing poor acceleration, stalling, or rough idling, it may be caused by a leak in the intake system, a faulty intake air system leak sensor, or a vacuum leak.

These issues can lead to incorrect airfuel mixture readings, triggering the P2279 code.

To address Ford OBD code P2279, check the intake system for leaks, inspect the intake air system leak sensor for proper operation, and ensure the vacuum lines are intact.

Test the sensor’s electrical connections and wiring for any damage or corrosion, and replace

Scroll to Top