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P0173 Diagnostic Trouble Code Discussion for June 2007

Fuel Trim Lean Or Rich (Bank 2)

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Trouble Ticket Help Requests for DTC P0173
Help Request Posted
2000 Mercedes-Benz ML320 3.2L MIL Lamp on VIN: 4JGAB54E5Y
P0173: fuel trim malfunction B2. ... came in with mil lamp on. Engine 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