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Code P20E8 - Reductant Pressure Too Low

Tiny
CFLIP
  • MEMBER
  • 2015 VOLKSWAGEN PASSAT
  • 2.0L
  • 4 CYL
  • TURBO
  • 2WD
  • AUTOMATIC
  • 90,000 MILES
Per VW Technical Bulletin for this fault code, there was a faulty weld at the reductant line connector to the supply line causing leakage at the reductant injector. The proposed fix is to replace the DEF supply line input line, part [561 131 984 D]. However, the diagram on the VW Parts website is terrible. Is there a better diagram available for a do-it-yourself mechanic?
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Tuesday, October 27th, 2020 AT 4:18 PM

2 Replies

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
I am attaching info on this line. Unfortunately there is not a step by step for this specific line so I had to include info about the line and some other components that include this line so it will give you more detail.

Let us know if you need more info and we can see if we can dig some up. Thanks
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Tuesday, October 27th, 2020 AT 6:15 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

I just read through the TSB. Here is everything I have. There is one pic included in this TSB and it is included with the information listed below.

Let me know if this helps or if it is something different you are looking for.

Take care,
Joe
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Tuesday, October 27th, 2020 AT 6:17 PM

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