P0170 Diagnostic Trouble Code Discussion for September 2006
Fuel Trim Lean Or Rich (Bank 1)
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| Help Request | Posted | |
| 1996 Mercedes-Benz E320 3.2L MIL Lamp on VIN: WDBJF55F5T P0170: Adaption at its lean limit. ... Had code P0170. Cleared code for customer and code reset in a few days. Still had code P0170 system too rich. We had replaced the air mass sensor about one year ago for the same code, so we replaced the air mass sensor again. Code reset. Checked fuel press... |
September 13, 2006 | |
| 2001 Mercedes-Benz C240 2.6L MIL Lamp on VIN: WDBRF61J51 P0170: Lean bank 2Generic. Vehicle came in with the above codes. Code descriptions could be fuel trims above limits either rich or lean. I assume the system is lean due to positive numbers. I cleared the codes. At idle, the fuel trims were normal. LTFT was 0% and STFT was switching betw... |
September 26, 2006 |
