Petergordon
Active Member
- Joined
- Jul 31, 2020
- Messages
- 30
- Reaction score
- 2
- 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
- Joined
- Sep 6, 2015
- Messages
- 17,324
- Reaction score
- 6,706
- Location
- Cambs UK
- Your Mercedes
- W221 S500L Motorway Queen; W251 R320 Familybenz; W215 CL500 & S211 E320 now sadly missed.
What code reader are you using? A quick Google search reveals:
P0173 Fuel Trim Malfunction (Bank 2)
- Joined
- Dec 8, 2009
- Messages
- 7,107
- Reaction score
- 1,467
- Location
- Bristol/Somerset
- Website
- www.avantgarde-automotive.co.uk
- Your Mercedes
- C220CDI AMG Line Premium, 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.
