P0175 Diagnostic Trouble Code Discussion for October 2024
Fuel System Rich (Bank 2)
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| Help Request | Posted | |
| 2000 GMC W4500 Forward W4S042 5.7L MIL Lamp on VIN: 4KDC4B1R2Y P0175: System rich bank 2. ... with a lack of power and the check engine light on with code P0172. When I reviewed fuel trim data, I found the fuel trims combined around negative 20% at idle and around negative 35% at cruise. I found the fuel pressure good, the vacuum around 20inHg... |
October 29, 2024 |
