O2 sensor or alternator | VW GTI MKVI Forum / VW Golf R Forum / VW Golf MKVI Forum / VW GTI Forum - Golfmk6.com
![P0140 Engine Trouble Code - P0140 OBD-II Diagnostic Powertrain (P) Trouble Code | Engine-Trouble-Code.com P0140 Engine Trouble Code - P0140 OBD-II Diagnostic Powertrain (P) Trouble Code | Engine-Trouble-Code.com](http://p0140.engine-trouble-code.com/images/engine-code-sampe-4.jpg)
P0140 Engine Trouble Code - P0140 OBD-II Diagnostic Powertrain (P) Trouble Code | Engine-Trouble-Code.com
![P0140 Code: Oxygen Sensor Circuit No Activity Detected (Bank 1, Sensor 2) - In The Garage with CarParts.com P0140 Code: Oxygen Sensor Circuit No Activity Detected (Bank 1, Sensor 2) - In The Garage with CarParts.com](https://cld.partsimg.com/image/upload/d_noimage.jpg,h_200,w_200,c_pad,f_auto,q_auto,dpr_auto,e_sharpen/images/repc960915_1)
P0140 Code: Oxygen Sensor Circuit No Activity Detected (Bank 1, Sensor 2) - In The Garage with CarParts.com
![P0140 Code: Oxygen Sensor Circuit No Activity Detected (Bank 1, Sensor 2) - In The Garage with CarParts.com P0140 Code: Oxygen Sensor Circuit No Activity Detected (Bank 1, Sensor 2) - In The Garage with CarParts.com](https://www.carparts.com/blog/wp-content/uploads/2020/08/oxygen-sensor-in-catalytic-converter-1024x683.jpeg)
P0140 Code: Oxygen Sensor Circuit No Activity Detected (Bank 1, Sensor 2) - In The Garage with CarParts.com
![P0140 Code: Oxygen Sensor Circuit No Activity Detected (Bank 1, Sensor 2) - In The Garage with CarParts.com P0140 Code: Oxygen Sensor Circuit No Activity Detected (Bank 1, Sensor 2) - In The Garage with CarParts.com](https://www.carparts.com/blog/wp-content/uploads/2020/08/oxygen-sensor-loose-wiring-1024x683.jpeg)
P0140 Code: Oxygen Sensor Circuit No Activity Detected (Bank 1, Sensor 2) - In The Garage with CarParts.com
![Took the Car to Mazda for the P0140 Code. Here's the dama. $5k! (Pay it or do it myself !?) : r/mazda3 Took the Car to Mazda for the P0140 Code. Here's the dama. $5k! (Pay it or do it myself !?) : r/mazda3](https://preview.redd.it/y5cacdjuav261.png?auto=webp&s=c59de09006a72b50ace3e2f98bd266fb916c94cf)
Took the Car to Mazda for the P0140 Code. Here's the dama. $5k! (Pay it or do it myself !?) : r/mazda3
![P0140 O2 Sensor Circuit No Activity Detected (Bank 1, Sensor 2) | Symptoms | Causes | Location - YouTube P0140 O2 Sensor Circuit No Activity Detected (Bank 1, Sensor 2) | Symptoms | Causes | Location - YouTube](https://i.ytimg.com/vi/aRzcYvRI6nM/sddefault.jpg)