× 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
2012 Chevrolet Silverado 2500 HD LTZ 6.6L Excessive Emissions
Posted to GM Driveability on 6/22/2018 13 Replies

Customer complaint is that during hard accelerations occasionally puffs of white smoke will come out the exhaust. It doesn't do it all the time just every once in a while. It has a DuraMileage box installed on it. Thank u guys and girls for any input on th...

13 Replies Received (View Replies)

  Related Documents & Media  2012 Chevrolet Silverado 2500 HD LTZ

 
Message Closed w/FIX

car Vehicle Data

2012 Chevrolet Silverado 2500 HD LTZ

VIN 1GC1KYE87C
Engine6.6 L / 8 cyl / DIESEL
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / COMMON RAIL
EmissionsOBD-II Compliant
SymptomsExcessive Emissions
OccursOn Accel, Intermittently
Message Closed w/FIX

car Vehicle Data

2012 Chevrolet Silverado 2500 HD LTZ

VIN 1GC1KYE87C
Engine6.6 L / 8 cyl / DIESEL
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / COMMON RAIL
EmissionsOBD-II Compliant
SymptomsExcessive Emissions
OccursOn Accel, Intermittently