If the vaporiser is toast or the pipework blocked you will get a light but it won't be regenerating. I suppose you could watch the fuel consumption.. Reply. PURPLE_2L_LX Discussion starter. 32947 posts · Joined 2004. #4 · Nov 24, 2018. Yes, it will show the light if its trying to regen. Car is Mondeo tdci 2.0. 60 plate Euro v engine , Car drove fine , 20 mile motorway journey , engine light came on ,slight misfire , had been doing for while , once a week or so misfires for 5mins then ok , came of slip road , stopped at junction lights , there car stalled , , that's it , car will not even try to start , Ford Mondeo Mk4 (2007 - 2013) Diesel Engines (Mk4 Mondeo) DPF regeneration. Jump to DPF regeneration. Jump to Latest Follow #delphids150e #peugeot407 #dpfregeneration#ClaudeGarage #Fagaras #ClaudeTubePeugeot 407 DPF forced regeneration. Starting process.Support the channel m Ford Mondeo Mk4 Diesel Particulate Filter, Fuel Vaporizer, closer Look.Diagnostics should be carried out to establish whether your mk4 mondeo has a diesel pa Ford Models ; Ford Mondeo / Vignale Club ; Dpf additive Dpf additive. By R6mik, February 11, Ford Model: Mondeo MK4 Titanium X 163 Ford Year: 2011 Basically, what a successful regen needs is a sufficient temperature for a sufficient period of time. Temperature is created by feeding extra fuel into the DPF in the presence of free oxygen. The ECU just monitors the values which it sees. So you may have a fully OK regen, but the ECU may see a low temperature due to a malfunctioning temp sender. Then 2 days later it came on again, dpf over sooted, dpf not reaching temp for regen and regen failed, unspecified fault. Ford Mondeo Mk4 (2007 - 2013) Diesel KQam.