Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
Your car's engine is like a big pump that needs air to work right. This code means there's a leak where the air goes in, like a hole in a straw, and it's messing up how the engine runs.
This code indicates that there is a leak in the intake air system on bank 1 of the engine, which is affecting the air-fuel mixture and engine performance.
The P2279 code is triggered when the Engine Control Module (ECM) detects a vacuum leak in the intake air system of bank 1. This can cause an imbalance in the air-fuel mixture, leading to poor engine performance and increased emissions.
• Rough idle
• Decreased fuel efficiency
• Check Engine Light illuminated
• Cracked or damaged intake hose
• Faulty intake manifold gasket
• Leaking vacuum hose
ECM: Engine Control Module
Intake Manifold: A part of the engine that distributes air to the cylinders
• Inspect the intake hoses for cracks or damage.
• Check the intake manifold gasket for leaks.
• Examine vacuum hoses for any signs of leakage.
• Replace damaged intake hoses.
• Install a new intake manifold gasket.
• Repair or replace leaking vacuum hoses.
• Vacuum gauge
• Smoke machine
• Wrench set
$100 - $300
Moderate
• Toyota Camry
• Honda Accord
• Ford F-150
• Regularly inspect intake hoses for wear.
• Ensure all engine components are properly sealed.
• Perform routine maintenance checks.
Engine Performance
• Avoid driving with this code active for extended periods.
• Get the issue diagnosed and repaired promptly to prevent further damage.
Check with your vehicle manufacturer for warranty coverage on engine components.
This code has been commonly associated with vehicles experiencing vacuum leaks due to aging components.
Moderate – It should be addressed soon to avoid potential engine performance issues.
Driving with a known intake leak can lead to increased emissions, which may not comply with local environmental regulations.
• Engine at operating temperature
• Idle conditions
The intake air system is located at the front of the engine, where air enters the engine.
Q: Can I drive my car with a P2279 code?
A: It's not recommended to drive for long with this code, as it can affect engine performance and fuel efficiency.
Q: How can I fix an intake air system leak?
A: Inspect and replace any damaged hoses or gaskets in the intake system.
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