Reply To: DIY – Clean SOOT & ASH from your Car’s DPF (Diesel Particulate Filter) So our Daughters Fiat 500 recently had issues with its DPF (Diesel Particulate Filter) warning light and after using STP Diesel Particulate Filter Cleaner to remove the SOOT, fixed the…

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Thanks for the detailed post.

How is the car running now? is DPF still clear? (or how long did you run it till sold!)

I need to do this on mine….

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