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International Automotive Technicians Network

P0175 Diagnostic Trouble Code Discussion for November 2006

Fuel System Rich (Bank 2)

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Trouble Ticket Help Requests for DTC P0175
Help Request Posted
1999 GMC K3500 Sierra SL 7.4L Poor Idle Quality, MIL Lamp on VIN: 1GTHK33J5X
P0175: Fuel Trim System Rich (Bank 2). ... cannot figure it out. The customer came in with the check engine light on. We code scanned the computer and the code p0175b, came up. Reading the scan tool we noticed the long turn fuel trim was reading -14 to -20 on bank 2. So we followed the diag flow ch...
November 01, 2006
2004 Chevrolet Tahoe LS 5.3L running rich VIN: 1GNEK13Z64
P0175: Fuel Trim System Rich (Bank 2). well gm techs i am a ford tech looking for a little help on this tahoe i have codes for both banks running rich i was told by a fellow tech that these trucks have problems with the o2 sensors i have no access to any gm pinpoint test for this codes nor do i hav...
November 18, 2006
2002 Ford F-150 King Ranch 4.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 2FTRX17WX2
P0175: bank 2 rich. hello again wonderful world of iatn, im having difficulty in diagnosing what appears to me as a lean miss at idle(gut feeling). the fuel trims tell me that B1 is slightly lean, only up in short term about 2.5 sometimes. B2 is way down there on LT -15.0 usually...
November 21, 2006