× 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
2011 Chevrolet Silverado 1500 LT 5.3L Misfire
Posted to GM Driveability on 1/28/2020 44 Replies

it has an misfire on cylinders 2,4,6,8 misfire very slight counts on 6 and 8 2 and 4 are the worse. checked for an clogged cat. cat passed. flowed injectors. all flow [...] plug on cylinder 2 is sooty removed cylinder 1 nice and clean. has good spark. comp...

44 Replies Received (View Replies)

  Related Documents & Media  2011 Chevrolet Silverado 1500 LT

 
Message Closed w/FIX

car Vehicle Data

2011 Chevrolet Silverado 1500 LT

VIN 1GCPKSE38B
Engine5.3 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2011 Chevrolet Silverado 1500 LT

VIN 1GCPKSE38B
Engine5.3 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected