Quote:
Originally Posted by Holladay
I talked to an ex-VW mechanic that said we can take it to a VW dealership and have them to hook up to a computer that does a filter "regen". It takes 2 hours and they run the engine, hooked up to the computer, that runs the car hotter then you can drive it and regens the filter??
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Performing a forced regen just burns the soot and converts it to fine ash that is then shot out the exhaust. However, that just buys you time, it doesn't remove all of the soot and ash. That stuff continues to just build up. You will still end up needed the filter removed and either cleaned and baked (if the filter is able to go through that process and isn't cracked, this various by manufacturer recommendation) or replace it outright. Unfortunately, there's no magic fix for this, no magic fuel additive or anything. Tractors (big rigs) use this system in their diesel engines and I have a whole shitload of experience dealing with it. When you are managing repairs for a 8000 truck fleet that is worth over a billion dollars brand new, you know what works and doesn't.