P228F?? - MBWorld.org Forums

02-18-2018, 10:04 PM

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503C43 ////AMG

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1999 C43, 2008 P30 E63, 2014 SQ5, 2024 Model Y Performance

P228F??

I'm getting a CEL and the code is P228F "fuel pressure regulator 1 exceeded learning limits - too high". I am not noticing any affects as the car runs fantastic and pulls like a freight train. Any idea what the cause could be?

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