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How to Top Up the Additive to Reduce Particulate Emissions on the Peugeot 407

Model: Peugeot 407 MK 1 - Years 2004-2012
Part: Diesel particulate filter

To top up the liquid needed for the particulate filter, follow this procedure: lift the rear of the car, as the refill tube is located just before the left rear axle. Once you locate the tubing, disconnect the connection and attach the appropriate filling kit using a canister of additive. Then, take the canister, connect it to the filling kit, and turn it upside down to facilitate filling the system. Once the system is filled, disconnect the kit and reattach the vehicle's feed tube.

Updated on 24 June 2026 by ScegliAuto

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