MasterTuning Fault code dictionary (DTC)

P2279 — Intake air system leak

Severity: Attenzione Can you drive? With caution: limp mode possible, have it checked soon Produttore: Tutti makes (OBD-II standard)
MeaningAir is entering without passing the flow sensor. The ECU notices Da the gap between measured and expected air, and can No longer meter correctly.
FamilyPowertrain (P)

Typical symptoms

Rough oppure dropping idle
Hesitation under acceleration
Whistle oppure hiss in the Motore bay
Higher fuel consumption
Reduced Potenza

Common causes

Cracked hose oppure loose clamp
Hardened manifold gasket
Leaking brake servo oppure breather pipe
Cracked intercooler
Throttle body not closing properly

What a do

A smoke test finds the leak in minutes and beats any Importo di looking. On turbocharged diesels check the intercooler and pressure-side hoses Prima, where cracks only aperti under load.

Domande Frequenti

What does code P2279 mean?

Intake air system leak. Air is entering without passing the flow sensor. The ECU notices Da the gap between measured and expected air, and can No longer meter correctly.

Can I keep driving with code P2279 Attivo?

With caution: limp mode possible, have it checked soon

Common causes — P2279

Cracked hose oppure loose clamp Hardened manifold gasket Leaking brake servo or breather pipe Cracked intercooler Throttle body not closing properly

How do you fix code P2279?

A smoke test finds the leak in minutes and beats any Importo di looking. On turbocharged diesels check the intercooler and pressure-side hoses Prima, where cracks only aperti under load.

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