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P0170 Diagnostic Trouble Code Discussion for June 2007

Fuel Trim Lean Or Rich (Bank 1)

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Trouble Ticket Help Requests for DTC P0170
Help Request Posted
2000 Mercedes-Benz ML320 3.2L MIL Lamp on VIN: 4JGAB54E5Y
P0170: fuel trim malfunction B1. ... running fine, but idle a little rough! Check fault with Genisys scan tool. Two fault codes were stored in computer(p0170 & p0173). I wrote down the freeze frame(Load value 19%, coolant temp. 88c , Short term fuel trim B...
June 09, 2007
1996 Mercedes-Benz C280 2.8L Hesitation, Cuts out, MIL Lamp on VIN: WDBHA28E6T
P0170: Fuel trim malfunction. This vehicle will come up with this code about every 4 days. When the light 1 st comes on vehicle will hesitate and idle rough. I have tried to check the values of the mass air flow meter but the values aren't anything close to given values on alldata. If some...
June 13, 2007