Where does the oxygen sensor fit on a peugeot 207 - 1.6 hdi sport?

On a Peugeot 207 1.6 HDi Sport, the oxygen sensor is typically located on the exhaust system, upstream of the catalytic converter. It's usually found on the exhaust manifold or within the first section of the exhaust pipe. Accessing it may require lifting the vehicle and possibly removing some components for better visibility and reach. Always refer to the vehicle’s service manual for specific instructions and diagrams.