VW Polo Classic 1.6i 100 hp 1997 year of production . This car came with rpm hesitations , excessive fuel consumption . The fault code was : 00525 - Oxygen (
For Audi Seat Skoda VW Models Rear 4 Wire Oxygen O2 Lambda Sensor
Oxygen Sensors (O2 Sensors): How They Work & What They Do
P2270 O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 2
VW Audi Forum - The #1 Volkswagen (VW) Forum Dedicated to the
16514 - Oxygen (Lambda) Sensor B1 S1 P0130 - 35-00 - Malfunction
How to Test an Oxygen Sensor - Plus Oxygen Sensor Operation and
How to Test an Oxygen Sensor
How to Check an Oxygen Sensor - AxleAddict
Will your vehicle stall if O2 sensor is bad? - Quora
Lambda sensor
Hella 358066421 Lambda Sensor : Automotive