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P0173 Diagnostic Trouble Code Discussion for July 2010

Fuel Trim Lean Or Rich (Bank 2)

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Trouble Ticket Help Requests for DTC P0173
Help Request Posted
2000 Mercedes-Benz S430 4.3L MIL Lamp on VIN: WDBNG7058Y
P0173: fuel trim fault. I have this car here in my stall. I replaced the MAF and cleared the codes. After driving the car for about 2 miles i pulled back into the stall and rechecked my fuel trims. they were still at +16. No check engine light. Rechecked for vacuum leaks and have fou...
July 26, 2010