× 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
2006 Chevrolet Silverado 2500 HD LT 6.6L Poor Idle Quality, MIL Lamp on
Posted to GM Driveability on 7/5/2016 8 Replies

Good afternoon fellow member of iATN as most of us I have a problem with 06 Silverado 6.6 diesel. P0401 will set in pending codes on first key cycle when idling. Have flashed Ecm, replace egr vavle, had after market air replaced it with manufactures. Try a mas...

8 Replies Received (View Replies)

  Related Documents & Media  2006 Chevrolet Silverado 2500 HD LT

 
Message Closed w/Summary

car Vehicle Data

2006 Chevrolet Silverado 2500 HD LT

VIN 1GCHK23D96
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / diesel
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, MIL Lamp On

Trouble Codes

P0401EGR System Insufficient Flow Detected
Message Closed w/Summary

car Vehicle Data

2006 Chevrolet Silverado 2500 HD LT

VIN 1GCHK23D96
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / diesel
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, MIL Lamp On

Trouble Codes

P0401EGR System Insufficient Flow Detected