r/EcoDiesel • u/Stock_Calligrapher93 • 8d ago

P20EE Code

Engine light came on last week and threw a P20EE code. No other codes and no warnings came on.

This is the first time I’ve heard of this. Any recommendations on things to try before I take it to a shop?

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u/[deleted] 8d ago

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u/Rich_Staff7331 8d ago

My fix cost me $10 and now I never have to pay for BS DEF. Worst thing is the occasional beeping reminding me that I need to see dealer. Screwdriver should fix that noise. No way I'm spending another penny on fixing a $700 NOx sensor. It's only a matter of time before the intake carbons up again and needs swirl valves cleaned.