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P0175 Diagnostic Trouble Code Discussion for October 2014

Fuel System Rich (Bank 2)


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Trouble Ticket Help Requests for DTC P0175
Help Request Posted
2006 Chevrolet Trailblazer SS 6.0L No Start, Cuts out VIN: 1GNES13H66
P0175: Fuel System Rich (Bank 2). Ok i have a doozie here. Vehicle runs great for about 30 minutes and then just all of a sudden dies out. Sometimes it just takes about 30 minutes or so to start back up but yesterday afternoon it took over a hour due to it being hot outside. I replaced the cra...
October 07, 2014
1999 Chevrolet K2500 Suburban 7.4L MIL Lamp on VIN: 3GNGK26JXX
P0175: Fuel Trim System Rich (Bank 2). This one has me stumped. What's going on with this vehicle is its over calculating with it's MAF sensor. AT idle, the total fuel trims are -10 on bank 1 and -12 on bank 2. Under a load, they're -25 to -30. If I unplug the MAF sensor and reset the fuel trims, t...
October 31, 2014