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P0170 Diagnostic Trouble Code Discussion for July 2011

Fuel Trim Lean Or Rich (Bank 1)

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Trouble Ticket Help Requests for DTC P0170
Help Request Posted
1998 Mercedes-Benz SLK230 Kompressor 2.3L MIL Lamp on, No symptoms VIN: WDBK47FXWF
P0170: A Self Adapt At Limit N3/10. Vehicle shows up at shop with P0170. Check fuel trims and they are good. Check MAF readings and they are good at idle and 2000rpm in neutral. When starting at 40MPH and giving it WOT readings jump to only 88g/sec. Spec should be around 120g/sec but I think 80%...
July 12, 2011