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P0175 Diagnostic Trouble Code Discussion for July 2012

Fuel System Rich (Bank 2)


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Trouble Ticket Help Requests for DTC P0175
Help Request Posted
2009 Ford F-150 Platinum 5.4L Excessive Emissions, Poor Fuel Economy, MIL Lamp on VIN: 1FTPW14V19
P0175: Rich Bank Two. This vehicle came in for a check engine light. Ran codes and found that it was running rich, checked fuel trims and long term both banks was at -25% short term fuel trim was at -5-8%. While looking through data I found the PID for alcohol was at 77.1% alcohol....
July 06, 2012
2003 Ford Explorer XLT 4.0L MIL Lamp on VIN: 1FMZU7EK43
P0175: Bank 2 rich. Vehicle intermittently sets rich codes. The first time it happened vehicle seemed to be running slightly on the rich side (fuel trims around 7 to 10) Couldn't find any cause for this as maf was normal, fuel pressure was normal and couldn't find any other issue...
July 12, 2012
2003 Ford Explorer XLT 4.0L MIL Lamp on VIN: 1FMZU7EK43
P0175: Bank 2 rich. Vehicle intermittently sets rich codes. The first time it happened vehicle seemed to be running slightly on the rich side (fuel trims around 7 to 10) Couldn't find any cause for this as maf was normal, fuel pressure was normal and couldn't find any other issue...
July 13, 2012
2007 Mercedes-Benz C350 4Matic 3.5L MIL Lamp on VIN: WDBRF87H87
P0175: system to rich. Car came in with codes po172 p0175. I replaced maf sensor drove and same codes came back. Fuel pressure is good. I don't think o2 sensors are bad since its both banks. also if i induce a vacuum leak o2 sensor react to it. Thanks for your help
July 31, 2012
2009 Ford F-150 Platinum 5.4L Excessive Emissions, Poor Fuel Economy, MIL Lamp on VIN: 1FTPW14V19
P0175: Rich Bank Two. This vehicle came in for a check engine light. Ran codes and found that it was running rich, checked fuel trims and long term both banks was at -25% short term fuel trim was at -5-8%. While looking through data I found the PID for alcohol was at 77.1% alcohol....
July 06, 2012
2003 Ford Explorer XLT 4.0L MIL Lamp on VIN: 1FMZU7EK43
P0175: Bank 2 rich. Vehicle intermittently sets rich codes. The first time it happened vehicle seemed to be running slightly on the rich side (fuel trims around 7 to 10) Couldn't find any cause for this as maf was normal, fuel pressure was normal and couldn't find any other issue...
July 12, 2012
2003 Ford Explorer XLT 4.0L MIL Lamp on VIN: 1FMZU7EK43
P0175: Bank 2 rich. Vehicle intermittently sets rich codes. The first time it happened vehicle seemed to be running slightly on the rich side (fuel trims around 7 to 10) Couldn't find any cause for this as maf was normal, fuel pressure was normal and couldn't find any other issue...
July 13, 2012
2007 Mercedes-Benz C350 4Matic 3.5L MIL Lamp on VIN: WDBRF87H87
P0175: system to rich. Car came in with codes po172 p0175. I replaced maf sensor drove and same codes came back. Fuel pressure is good. I don't think o2 sensors are bad since its both banks. also if i induce a vacuum leak o2 sensor react to it. Thanks for your help
July 31, 2012