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P0170 Diagnostic Trouble Code Discussion for May 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 Hesitation, Surge, Misfire, MIL Lamp on VIN: WDBHA23G4W
P0170: fuel trim malfunction. This car has a serious lack of power past 50% throttle. You can get up to speed if you barely push the throttle, but if you quickly give it more throttle the rpm's max at 3500. Backing off the throttle will let it accelerate. it does the same in park. Fuel pre...
May 10, 2004