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  6. : What could cause the anomaly in the Peugeot 308 anti-pollution system?

What could cause the anomaly in the Peugeot 308 anti-pollution system?
Years 2013-2021

Answer

On many Peugeot models in which the anti-pollution system uses urea, the solenoid valve present on the urea tank frequently fails: this valve jams and cannot be repaired due to the ammonia crystals that form especially when the tank remains in reserve for too long; the first advice is to refill the tank immediately at the first signal.
Posted on: 18 June 2022 by ScegliAuto

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