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P0173 Diagnostic Trouble Code Discussion for November 2009

Fuel Trim Lean Or Rich (Bank 2)

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Trouble Ticket Help Requests for DTC P0173
Help Request Posted
2005 Kia Sportage LX 2.7L MIL Lamp on VIN: KNDJE72335
P0173: Fuel System Too Rich or Too Lean (Bank 1). Calling all techs please help, Thanks in advance. The short term trim on both banks is at 30 when the purge line is pinched or the connector is disconnected the trim goes to normal on both banks. If I take the connector off of the purge solinoid I have power b...
November 17, 2009
1999 Mercedes-Benz ML430 4.3L MIL Lamp on VIN: 4JGAB72E4X
P0173: lean bank 2. ... Mil light on with dtc's P0170/p0173, fuel trims good right now at idle, frreze frame data was at 73 mph, 2500 rpm's, 186deg, looking at possible MAF sensor, any other known dconcerns on these, the customer isn't complaining of any driveability problems, ju...
November 17, 2009