× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
2014 Chevrolet Silverado 1500 LTZ 5.3L Mechanical
Posted to GM Engine on 8/4/2025 12 Replies

After OE oxygen sensors and OE catalytic converter customer has intermittent P0430:00 Catalyst system low efficiency bank 2. Smoke tested bank 2 exhaust, found air leaking from connector to exhaust manifold and from outlet of Y pipe. Has anyone had a catal...

12 Replies Received (View Replies)

  Related Documents & Media  2014 Chevrolet Silverado 1500 LTZ

 
Open Help Request

car Vehicle Data

2014 Chevrolet Silverado 1500 LTZ

VIN 3GCUKSEC1E
Engine5.3 L / 8 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
Open Help Request

car Vehicle Data

2014 Chevrolet Silverado 1500 LTZ

VIN 3GCUKSEC1E
Engine5.3 L / 8 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection