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2017 Chevrolet Silverado 1500 LT 5.3L MIL Lamp on
Posted to GM Driveability on 4/28/2021 8 Replies

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...

8 Replies Received (View Replies)

  Related Documents & Media  2017 Chevrolet Silverado 1500 LT

 
Message Closed w/FIX

car Vehicle Data

2017 Chevrolet Silverado 1500 LT

VIN 3GCUKREC7H
Engine5.3 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / DI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursNot Applicable

Trouble Codes

P2097Downstream Fuel System Rich - HO2S-12 (Bank 1 Sensor 2)
P2099Downstream Fuel System Rich - HO2S-22 (Bank 2 Sensor 2)
Message Closed w/FIX

car Vehicle Data

2017 Chevrolet Silverado 1500 LT

VIN 3GCUKREC7H
Engine5.3 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / DI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursNot Applicable

Trouble Codes

P2097Downstream Fuel System Rich - HO2S-12 (Bank 1 Sensor 2)
P2099Downstream Fuel System Rich - HO2S-22 (Bank 2 Sensor 2)