P0172 Diagnostic Trouble Code Discussion for January 2015
Fuel System Rich (Bank 1)
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| Help Request | Posted | |
| 2007 GMC Sierra 1500 WT 5.3L Excessive Emissions, MIL Lamp on VIN: 2GTEK13M57 P0172: Fuel Trim System Rich (Bank 1). MAF replaced with harness smoked intake-found no leaks come off idle fuel trims are great- idle engine long term go high short term are perfect. gotta have a vacuum leak somewhere!!! pulled upper intake manifold -found gaskets were deformed. problem still ther... |
January 16, 2015 | |
| 2007 GMC Sierra 1500 WT 5.3L Excessive Emissions, MIL Lamp on VIN: 2GTEK13M57 P0172: Fuel Trim System Rich (Bank 1). MAF replaced with harness smoked intake-found no leaks come off idle fuel trims are great- idle engine long term go high short term are perfect. gotta have a vacuum leak somewhere!!! pulled upper intake manifold -found gaskets were deformed. problem still ther... |
January 22, 2015 | |
| 2001 Toyota Camry CE 2.2L Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 4T1BG22K11 P0172: Fuel System Too Rich (Bank 1). Hello and thanks ahead of time. My tech replaced the head gasket on this car and ever since been getting a rich code and no accelleration. AF and 02 bothe indicate rich condition tested TPS ok IAC seams to function normal.This car came to me with gasket blown ... |
January 27, 2015 | |
| 2004 Mercedes-Benz C230 Kompressor 1.8L Excessive Emissions VIN: WDBRN40J44 P0172: . good morning guys. well, again I need your help. working on 04 mercedez c230 w/supercharge. customer has replace up and down oe o2 sensor, other shop found oil in Ecm , o2, and cam adjuster connector. they clean them good, and they scan for po172 which is rich... |
January 31, 2015 |
