If your Peugeot 207 has a 1.4-litre engine or a diesel (HDi), you are unlikely to see this code. This is strictly a gasoline 1.6 VTi/THP issue.
: "Anti-pollution system faulty" message and the Engine Management Light (EML). High Fuel Consumption : Noticeable drop in fuel efficiency. Primary Causes Error Codes P11A8, P366, P367 - French Car Forum p11a8 peugeot 207
Since the pump is driven by the camshaft, the ECU relies on the Camshaft Position Sensor to verify timing. If this sensor is failing or the connector is corroded, the ECU cannot calculate the pump timing accurately, leading to a false P11A8 code. If your Peugeot 207 has a 1
Prevention is simple: