
2012 Chevrolet Silverado 2500 HD LTZ 6.6L Poor Def.quality
will not let me reset def. quality because #4 egt is at 1832 telling me that the reductant inhibit reason is the nox cat. [...] egt #3 with #4 egt read ambient air [...] wiring back to ecm no [...] seems to be bad, am I missing something?
Summary posted 7/7/2018
![]()
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)11 Replies Received(Hide Replies)11 Replies Received
|
Message Closed w/Summary
|
VIN | 1GC2KYE87C |
Engine | 6.6 L / 8 cyl / DIESEL |
Trans | 6-speed Automatic (Electronic) |
Delivery | Fuel Injection / diesel |
Emissions | OBD-II Compliant |
Symptoms | Poor Def.quality |
Message Closed w/Summary
Vehicle Data
2012 Chevrolet Silverado 2500 HD LTZ
VIN | 1GC2KYE87C |
Engine | 6.6 L / 8 cyl / DIESEL |
Trans | 6-speed Automatic (Electronic) |
Delivery | Fuel Injection / diesel |
Emissions | OBD-II Compliant |
Symptoms | Poor Def.quality |