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P0175 Diagnostic Trouble Code Discussion for September 2014

Fuel System Rich (Bank 2)

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Trouble Ticket Help Requests for DTC P0175
Help Request Posted
2010 Chevrolet Express 2500 4.8L Misfire, MIL Lamp on VIN: 1GCZGFBA0A
P0175: rich bank 2. even pulled valve cover to check valve springs - did cyl leak down - only 10% leak on #1 . did see tsb for valve cover. but blocked vacuum to it still had miss. did cylinder balance test - #1 did not change. used tech 2 to perform injector balance test also. a...
September 23, 2014