Peugeot, oxygen sensor replacement in Center District . Page 63

Peugeot, oxygen sensor replacement in Center District.
It may be required to replace the oxygen sensors in the presence of the following symptoms: jerking when driving, increased fuel consumption, incorrect catalyst operation, and an increased concentration of toxins in the exhaust gases. The devices are located inside the exhaust system, the wires and the lambda probe are disconnected from the sensor, and a new one is installed in its place.