Join Now
International Automotive Technicians Network

P0170 Diagnostic Trouble Code Discussion for December 2010

Fuel Trim Lean Or Rich (Bank 1)

Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0170
Help Request Posted
1997 Mercedes-Benz C230 2.3L MIL Lamp on VIN: WDBHA23E7V
P0170: Fuel trim b1. ... two codes orginally p0170 and p0141. I thought it was pretty clear cut. Found vaccuum leak from broken tube from valve cover to intake duct at throotle body and threw a rear o2 in. Codes returned is it possble adaptations need to be reset??? thanks for any...
December 01, 2010