What are the possible causes of Honda p0139?
P0139 Honda Possible Causes. Faulty Rear Heated Oxygen Sensor Bank 1. Rear Heated Oxygen Sensor Bank 1 harness is open or shorted. Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection. Inappropriate fuel pressure. Faulty fuel injectors. Intake air leaks may be faulty.
What does the code p2279 mean on an intake manifold?
However, specific troubleshooting steps will vary depending on the vehicle. Trouble code P2279 indicates that an air leak has occurred on the “metered” side of the intake manifold. There is more air entering the intake manifold than the mass airflow or MAP (manifold absolute pressure) sensor would suggest.
What is the p0139 code on the O2 sensor?
The P0139 code is set when the Engine Control Module (ECM) detects that the rear O2 sensor takes more time to respond between rich and lean than the specified time. The Heated Oxygen Sensor 2 (HO2S), after three way catalyst (manifold), monitors the oxygen level in the exhaust gas on each bank.
What does the code p2279 mean on an air conditioner?
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. The leak is present between the mass airflow sensor or throttle body and the manifold.
What to do if you have a Honda p0139 code?
Replacing the Rear Heated Oxygen Sensor Bank 1 usually takes care of the problem. The cost to diagnose the P0139 HONDA code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type.
How long to diagnose Honda engine code p2279?
3. Let the engine idle for 10 minutes with the throttle fully closed. The cost to diagnose the P2279 HONDA code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type.
What is the OBDII code on a Honda Civic?
P0139 is a common OBDII code that occurs in many vehicles, including the Honda Civic. The code is triggered when there is an issue with the response time from the oxygen (O2) sensor when switching voltage levels. The Oxygen sensors are responsible for helping…
What is the O2 sensor slow response on a Honda Civic?
Honda Civic P0139: O2 Sensor Slow Response (Bank 1 -Sensor 2) P0139 is a common OBDII code that occurs in many vehicles, including the Honda Civic.