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    Clean Diesel DPF Data Collection Thread

    MemberName: drettele Model Year: 2009 Model: Jetta Tranny: DSG Miles: 205,000 Oil Ash Volume: 219ml Oil Type: Mobil 1 European Car Formula Advanced Full Synthetic 0W-40 Avg. MPG: 43 Comments: Just recently started getting P0401, P20D8, and P2413 Sent from my SAMSUNG-SM-G935A using Tapatalk
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    P0401 - EGR System - Insufficient Flow - Intermittent

    I have registered for the "fix". Been reading about DPF on another forum and the replacement doesn't sound like it will be fun for a DIYer. I should also add that since the CEL came on I am hearing a sound during acceleration like air being released from a tire.
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    P0401 - EGR System - Insufficient Flow - Intermittent

    I just rolled over 205,000 miles on my 2009 Jetta TDI. I have no mods installed. About two weeks ago the check engine light came on. Ran VCDS and it showed 3 faults: 1. EGR System - P0401 - 000 - Insufficient Flow - Intermittent 2. Exhaust Re-Treatment Post-Injection - P20D8 - 000 - Control...
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