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P0175 Diagnostic Trouble Code Discussion for May 2004

Fuel System Rich (Bank 2)

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Trouble Ticket Help Requests for DTC P0175
Help Request Posted
1997 Mercury Grand Marquis LS 4.6L MIL Lamp on VIN: 2MELM75W4V
P0175: System too rich-Bank 2. This vehicle runs well but check engine light comes on with o2 code indicating rich. Sensor is after catalytic. Front sensor reads high & low, but rear will go rich occasionally at idle. Question is, how does it see rich if front sensor movement is proper?...
May 11, 2004
2001 BMW 325Ci 2.5L MIL Lamp on VIN: WBABN33461
P0175: bank 2 system too rich. ... this car first came in, we had several codes, random misfire, cyl 4 misfire, as well as others. We replaced the plugs, (they were mis-matched, somebody has evidently been trying to fix this problem before we got it), cleaned injectors (engine vac), and now...
May 19, 2004
1999 Ford Explorer XL 4.0L MIL Lamp on VIN: 1FMZV34X1X
P0175: system too rich bank 2. hi techs looking for help on this one. this suv came in with these repairs done. so we thought this would be easy because another shop replace all the parts for the codes. well we check the codes again and check for input and output from the computer. we found...
May 26, 2004