How can i had my peugeot 207 depolution system fixed?

Are you using cheap supermarket petrol and/or using the car for mainly short runs? If so you are probably getting unburnt hydrocarbons getting through to the lambda sensors and setting of the warning.

Use decent fuel Shell V Power Nitro+ or BP Ultimate, and take the car on a longish run (20 miles or more) to get the engine properly warmed up. This should burn off the hydrocarbons, and the warning should go out eventually. If you're just popping round the shop for a paper - walk instead of using the car. No car likes constant short runs with a cold engine.

ChicksFan
May 2015