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2017 Chevrolet Silverado 1500 LT 5.3L MIL Lamp on
Posted to GM Driveability on 11/2/2020 15 Replies

Thank you in advance for any advise. We have this Silverado that keeps setting code P0430 and turning on MIL. We understand it is still under warranty but for some reason the customer wanted us to replace the converters. We installed a new Walker aftermark...

15 Replies Received (View Replies)

  Related Documents & Media  2017 Chevrolet Silverado 1500 LT

 
Message Closed w/Summary

car Vehicle Data

2017 Chevrolet Silverado 1500 LT

VIN 1GCVKREC4H
Engine5.3 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / Catalytic Converter
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0430Catalyst Efficiency Below Threshold (Bank 2)
Message Closed w/Summary

car Vehicle Data

2017 Chevrolet Silverado 1500 LT

VIN 1GCVKREC4H
Engine5.3 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / Catalytic Converter
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0430Catalyst Efficiency Below Threshold (Bank 2)