
2017 Chevrolet Silverado 1500 LT 5.3L MIL Lamp on
P2097/P2099 return after approximately 50 miles or more. Truck runs fine and no obvious issues other than check engine light. So far, checked intake for vacuum leaks, checked MAF performance, checked intake tract for proper assembly, checked fuel system...
FIX posted 5/4/2021
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Message Closed w/FIX
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VIN | 3GCUKREC7H |
Engine | 5.3 L / 8 cyl / FLEX |
Trans | 6-speed Automatic (Electronic) |
Delivery | Fuel Injection / DI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Not Applicable |
Trouble Codes
P2097 | Downstream Fuel System Rich - HO2S-12 (Bank 1 Sensor 2) |
P2099 | Downstream Fuel System Rich - HO2S-22 (Bank 2 Sensor 2) |
Message Closed w/FIX
Vehicle Data
2017 Chevrolet Silverado 1500 LT
VIN | 3GCUKREC7H |
Engine | 5.3 L / 8 cyl / FLEX |
Trans | 6-speed Automatic (Electronic) |
Delivery | Fuel Injection / DI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Not Applicable |
Trouble Codes
P2097 | Downstream Fuel System Rich - HO2S-12 (Bank 1 Sensor 2) |
P2099 | Downstream Fuel System Rich - HO2S-22 (Bank 2 Sensor 2) |