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P0172 Diagnostic Trouble Code Discussion for December 2012

Fuel System Rich (Bank 1)

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Trouble Ticket Help Requests for DTC P0172
Help Request Posted
2000 Saturn SL1 1.9L MIL Lamp on VIN: 1G8ZH5281Y
P0172: Fuel Trim System Rich (Bank 1). ... previous shop in an attempt to fix a P0172(System Rich)code replaced front oxygen sensor,rear catalytic convertor,(4) fuel injectors and reprogrammed PCM. P0172 still stored. I received vehicle with (2)codes: P0442(evap.small leak) and P0172(system rich)....
December 07, 2012
2010 Chevrolet Express 3500 6.0L hard start
P0172: system rich bank 1. After fueling van it hard starts, (long crank time). If you disconnect purge line problem goes away. This only happens after you put gas in tank. Started getting evap codes before this problem came about. This van does have 300000 miles on it. When you run eva...
December 10, 2012
2007 Cadillac Escalade EXT 6.2L MIL Lamp on VIN: 3GYFK62847
P0172: Fuel System Rich (Bank 1). ... p0300 had original plugs and wires on it change them with ac delco parts. also needed a evap vent solenoid. drove it and it came up with po172, p0175. the guy is a "mechanic" so he might of cleared the codes. the ST FT are -5 and LT FT are -12. the...
December 11, 2012
2001 BMW X5 3.0i 3.0L MIL Lamp on VIN: WBAFA53571
P0172: System Rich Bank 1. Car Came In For Second Time With Codes PO172 & PO174, Smoke Tested Intake Thru Booster Line, No Signs Of Intake Leak. Engine Runs Smooth And Idles Fine. STFT Both At Approx +10% at Idle, Both o2 Sensors Toggle And Look Decent On Vantage. Have TO Use Generi...
December 12, 2012