Petergordon
Active Member
- Joined
- Jul 31, 2020
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- 30
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- Your Mercedes
- E220 estate 2017
P173A-06 fault code ,engine management light on , but car drives fine . Can anyone help please
Algorithm fault
- Thread starter Petergordon
- Start date
Craiglxviii
Senior Member
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- Your Mercedes
- 970 Panamera Turbo; W221 S500L AMG Line, C215 CL500, W251 R350L AMG Line, plus several more now gone
What code reader are you using? A quick Google search reveals:
P0173 Fuel Trim Malfunction (Bank 2)
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- Your Mercedes
- E300 Coupe AMG Line PP/NE, SLR McLaren Roadster, SL55 & C32AMG
Engine has an air leak somewhere. Its algorithm for its boost pressure across the 3 monitoring air pressure sensors is not correct.
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