SMP Europe on Twitter: "Vehicle displaying one of the OBD codes shown below? It could be a fault with the EGR Valve. Usually a costly repair, SMP Europe has launched a new
Solved] Citroen C4 GP 1.6 HDI 109KM - Errors: P0401, P0490 and P1459
307hdi 110 2.0 egr valve | Peugeot Forums
Code défaut P0401: Débit de recirculation des gaz d'échappement (EGR) insuffisant détecté • Fiches Auto 24
Solved] Citroen C4 GP 1.6 HDI 109KM - Errors: P0401, P0490 and P1459