× 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
2008 Chevrolet Silverado 1500 LT 4.8L MIL Lamp on
Posted to GM Driveability on 5/16/2018 15 Replies

Hey guys. I have a truck here that somehow is setting a converter code, p0430, while at an idle and according to the freeze frame data, in open loop. my biggest question is how can this code set in open loop. I have checked the exhaust for leaks and can no...

15 Replies Received (View Replies)

  Related Documents & Media  2008 Chevrolet Silverado 1500 LT

 
Message Closed w/FIX

car Vehicle Data

2008 Chevrolet Silverado 1500 LT

VIN 1GCEC14C28
Engine4.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIdle

Trouble Codes

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

car Vehicle Data

2008 Chevrolet Silverado 1500 LT

VIN 1GCEC14C28
Engine4.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIdle

Trouble Codes

P0430Catalyst Efficiency Below Threshold (Bank 2)