× 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 2500 HD LTZ 6.6L MIL Lamp on
Posted to GM Driveability on 9/16/2021 6 Replies

Hello. We don't do much diesel work but this is one customer we make exceptions for. It has a code P140c for low EGR flow. We commanded the valve open up to 40%, that is the limit of our Snap on scanner. Desired and actual values showed the same. Engine di...

6 Replies Received (View Replies)

  Related Documents & Media  2011 Chevrolet Silverado 2500 HD LTZ

 
Message Closed w/FIX

car Vehicle Data

2011 Chevrolet Silverado 2500 HD LTZ

VIN 1GC1KYC86B
Engine6.6 L / 8 cyl / DIESEL
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursNot Applicable

Trouble Codes

P140CEGR slow response decreasing flow
Message Closed w/FIX

car Vehicle Data

2011 Chevrolet Silverado 2500 HD LTZ

VIN 1GC1KYC86B
Engine6.6 L / 8 cyl / DIESEL
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursNot Applicable

Trouble Codes

P140CEGR slow response decreasing flow