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P0175 Diagnostic Trouble Code Discussion for February 2010

Fuel System Rich (Bank 2)

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Trouble Ticket Help Requests for DTC P0175
Help Request Posted
1999 Ford Taurus LX 3.0L MIL Lamp on VIN: 1FAFP52U9X
P0175: system too rich bank 2. trim numbers are negative. long term can run at -25 at times. most fords I've seen go lean not rich, so I'm not sure on this one. the frt o/2 sensors show normal fluctuations but the rear ones at times read high and steady. I replaced one rear sensor because t...
February 09, 2010
2003 Ford F-150 XL 4.6L Poor Idle Quality, MIL Lamp on VIN: 1FTRX17W13
P0175: bank 2 system rich. ... Found code P0175 bank 2 rich. Used NGS to view fuel trim data. Found bank 2 -25% found bank 1 +19%. Inspected fuel pressure regulator for leakage, none found. Inspected EGR system for damage and intake system for possable leaks. Preformed injector balance ...
February 16, 2010