P0139 Honda Civic. bomber si coupe 2016+ Honda Civic Forum (10th Gen) Type R Forum, Si Due to the nature of this code, DTC P0139 is most often logged during deceleration. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more!
Troubleshooting a HONDA P0139 "O2 Sensor Circuit Slow Response (Bank 1, Sensor 2)." code as well as fixes. The Secondary Heated Oxygen Sensor (Secondary HO2S (Sensor 2)) detects the oxygen content in the exhaust gas downstream of the three-way catalytic converter (TWC) during stoichiometric air/fuel ratio feedback control.
This typically signifies that the sensor is malfunctioning and may need replacement Due to the nature of this code, DTC P0139 is most often logged during deceleration. So shortly after installing my 27won down pipe and front pipe I started to get the P0139 exhaust system.
Fix Engine Code P0139 On 20072009 Honda CRV Muffler EASY DIY. The P0139 code in Honda vehicles indicates a slow response time from the oxygen sensor The Secondary Heated Oxygen Sensor (Secondary HO2S (Sensor 2)) detects the oxygen content in the exhaust gas downstream of the three-way catalytic converter (TWC) during stoichiometric air/fuel ratio feedback control.
2005 Honda Civic Code P0139. A forum community dedicated to Honda Civic owners and enthusiasts How can I diagnose the source of the P0139 code in my Honda?