What does Fault code P2279 mean?
Intake Air System Leak
The trouble code P2279 can be defined as Intake Air System Leak. It is a generic code for the engine control module detecting a vacuum leak into the engine. It would mean that unmetered air is entering the engine without the engine sensing it going through the mass air flow sensor as well as the throttle body.
What are the possible causes of Honda p2279?
P2279 HONDA Possible Causes 1 Check for intake leaks 2 Faulty Mass Air Flow (MAF) sensor 3 Faulty PCV system
Is the p2279 air intake system leak code?
Vehicle runs fine with no symptoms but throws P2279 air intake leak fault when towing. Fault clears with new ignition cycle and runs fine when solo. Landrover Assist and Servive centre have disconnected air intake to throttle body and checked all ok. Runs fine with good idle, no stalling or hissing …
What does a vacuum leak on a Honda mean?
The ECM monitors the air passing through the Mass Air Flow ( MAF) sensor, a vacuum leak means that unmetered air is entering the engine without passing through the MAF . Need more information on how to fix the P2279 HONDA code?
What does the oxygen sensor code p2279 mean?
The oxygen sensor is a tool used to confirm and maintain the fuel/air ratio. When the mass airflow, the intake air temperature and oxygen sensor show a disparity a leak is recognized and the code P2279 is set. Air leaks at the air filter or hoses leading up to the mass airflow sensor (MAF) or throttle body are of no concern.
P2279 HONDA Possible Causes 1 Check for intake leaks 2 Faulty Mass Air Flow (MAF) sensor 3 Faulty PCV system
Where does the lean code p2279 come from?
Code P2279 can be from any kind of vacuum leak in an engine. Some vehicle manufacturers may use different lean codes instead of this code. The code can be generated from a throttle body or idle air control valve cleaning.
What does the code p2279 on a check engine light mean?
The engine control module (ECM) calculates the amount of air going into the engine through the positive crankcase ventilation (PCV) system. If the amount of air is more than expected then the Check Engine Light will come on and code P2279 is set. The ECM learns the throttle opening angle and stores it in memory.
The ECM monitors the air passing through the Mass Air Flow ( MAF) sensor, a vacuum leak means that unmetered air is entering the engine without passing through the MAF . Need more information on how to fix the P2279 HONDA code?