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2016 Chevrolet Suburban LT 5.3L MIL Lamp on
P0172&175 fuel trims showing -25 to -30 all speeds- removed pcv hose in case of oil contamination, pulled purge system fuel tank hose, still shows same- was told to ground lt green/white wire at MAF to keep it out of the circuit and run on other data... ne...
FIX posted 5/16/2025
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Related Documents & Media | VIN | 1GNSCHKC4G |
| Engine | 5.3 L / 8 cyl / FLEX |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
| P0175 | Fuel System Too Lean (Bank 2) |
Message Closed
Vehicle Data
2016 Chevrolet Suburban LT
| VIN | 1GNSCHKC4G |
| Engine | 5.3 L / 8 cyl / FLEX |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
| P0175 | Fuel System Too Lean (Bank 2) |
Video