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P0170 Diagnostic Trouble Code Discussion for June 2004

Fuel Trim Lean Or Rich (Bank 1)

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Trouble Ticket Help Requests for DTC P0170
Help Request Posted
1998 Mercedes-Benz C230 2.3L MIL Lamp on VIN: WDBHA23G2W
P0170: Fuel trim problem. Found the vacum hose to the fuel regulator split, replaced hose and cleaned injectors. cleared code and customer called the light was back on the next day. Not too much info from alldata on these.
June 01, 2004
1999 Mercedes-Benz C230 Kompressor 2.3L Cuts out, Misfire, MIL Lamp on VIN: WBDHA24G5X
P0170: fuel trim bank 1. The car looses power and will not take throttle at 2000 - 3500 rpms - It acts like a bad throttle position sensor on a domestic car. We have replaced plugs / oxygen sensor / mass air flow sensor / coil pack #3-#4 cylinders. After doing so the car ran great for...
June 22, 2004
1999 Mercedes-Benz ML320 3.2L MIL Lamp on VIN: 4JGAB54E3X
P0170: self adaption out of limits right. ... engine light on. After doing tune and several test drives the light came back on with the same 2 codes p0170, and p0173. I have tested for vacuum leaks and have found none. The intake is hard to see and I could be missin...
June 29, 2004