2001 Volvo S40 "bank ho2s p0139 response sensor" Questions

HO2S (Heated Oxygen Sensor) Slow Response Bank 1 Sensor 2. This is is the sensor in front of the catalytic converter. P0603 - Internal Control Module Keep Alive Memory error. This error normally comes

...HO2S Circuit Bank 1 Sensor 2 P0137 HO2S Circuit Low Voltage Bank 1 Sensor 2 P0138 HO2S Circuit High Voltage Bank 1 Sensor 2 P0139 HO2S Slow Response Bank 1 Sensor 2 P0140 HO2S Circuit Insufficient ...

HO2S Circuit Slow Response (Bank 1 / Sensor 2). This is the downstream sensor (after the catalytic converter). Odds are the sensor is going bad. Check connections/ connector to this sensor. If you don

...HO2S) 2 bank 1--slow response===causes --heating inoperative--wiring--HO2S or oxygen sensor(O2) 2 bank 1---slow response===causes--wiring ---O2 sensor as you have replaced the O2 sensor twice with no ...

...bank 1 sensor 1 not detected P0134 is this a common problem, what's wrong? and how do i check it? P0139 Secondary Heated Oxygen Sensor (Secondary HO2S) (Sensor 2) Slow Response This is the Catalytic ...

...HO2S Circuit Slow Response (Bank 1 / Sensor 2) Possible causes: Leak in intake or exhaust system � Faulty fuel system. � Front and rear HO2S connections reversed. � Contact ...