Fuel System Headaches P0170, the Diagnostic Challenge

2020 Defender - Diagnostic code P0170 - Has anyone seen this code? A forum and Google search didn't turn up anything related to the new ... hi. I have just joined the club and I need to no how to fix a error code p0170 fuel trim bank 1 problem . I have change the 2 lamba sensors ... It showed codes: P0170, P0111 and a code for the volumetric air flow (dont remember the code). Cleared them, P0170 came afterwards. I got a ... The P0170 code means that the powertrain control module is detecting a fuel trim that is outside the range of specification set by the vehicle's ... There is a limit to how much the ECM can trim the fuel mixture and when the limit is reached for a specific amount of time the ECM will set the ... P0170 code definition Fuel Trim Malfunction (Bank 1) What the P0170 code means The P0170 code means that the powertrain control module is detecting a fuel ... Googling gives me P0170 Fuel Trim Malfunction (Bank 1) - fuel trim malfunction. It does have a rough idle but has not stalled. I've gone through ... Long term fuel trim is down to 14.8 now, which seems to fix the CEL, but it's idling like poop now. Sputters a lot. Steps taken: Thoroughly cleaned out throttle body. Pulled and cleaned the MAF sensor. Both with the appropriate cleaners. Cannot find any leaks, ... 'P0170' Fuel Trim Malfunction Bank 1 Legacy Forum.