P0172 Diagnostic Trouble Code Discussion for June 2024
Fuel System Rich (Bank 1)
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| Help Request | Posted | |
| 2009 GMC Sierra 2500 HD WT 6.0L MIL Lamp on VIN: 1GTHK43K59 P0172: too rich bank 1. This truck came from another garage and the complaint is that the cel is on but the truck is running fine.the tune up was done spark plug wire mass air flow air filter were replaced.i begin by checking the stft and ltft and they were at stft -15 and ltft -... |
June 07, 2024 | |
| 2014 GMC Terrain SLE 2.4L Cuts out, Stall, MIL Lamp on VIN: 2GKALREK1E P0172: System Too Rich Bank 1. So this thing is driving me crazy. So I have replace everything in the fuel system and it still failing. What it is doing on a test drive is that it will run fine. I watch the low pressure and the high pressure and it follows the engine load. I take it on ... |
June 12, 2024 | |
| 2014 GMC Terrain SLE 2.4L Cuts out, Stall, MIL Lamp on VIN: 2GKALREK1E P0172: System Too Rich Bank 1. So this thing is driving me crazy. So I have replace everything in the fuel system and it still failing. What it is doing on a test drive is that it will run fine. I watch the low pressure and the high pressure and it follows the engine load. I take it on ... |
June 18, 2024 | |
| 2009 GMC Sierra 2500 HD WT 6.0L MIL Lamp on VIN: 1GTHK43K59 P0172: too rich bank 1. This truck came from another garage and the complaint is that the cel is on but the truck is running fine.the tune up was done spark plug wire mass air flow air filter were replaced.i begin by checking the stft and ltft and they were at stft -15 and ltft -... |
June 26, 2024 | |
| 2013 GMC Terrain SLT 2.4L Misfire, MIL Lamp on VIN: 2GKALMEK5D P0172: System rich. Car was brought to me from another shop after listed repairs. Complaint was Cyl no. four misfire. Scan data showed long term average -30, STFT hovering around 0. Plugs soot fouled.Cleaned plugs, ran car 10 minutes, pulled plugs, no. four covered in oil. Te... |
June 28, 2024 |
