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2012 Chevrolet Silverado 2500 HD LT 6.0L Excessive Emissions, MIL Lamp on
Posted to GM Driveability on 5/7/2021 5 Replies

Have this fine used truck from used car lot [...] rich bank 1 and 2 codes,we replaced maf due to reading out of range test drove and it passed the rich running tests in mode 6 data, Customer returned with cel on again with same codes. Here are my readings ...

5 Replies Received (View Replies)

  Related Documents & Media  2012 Chevrolet Silverado 2500 HD LT

 
Message Closed w/FIX

car Vehicle Data

2012 Chevrolet Silverado 2500 HD LT

VIN 1GC1KXCGXC
Engine6.0 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, MIL Lamp On
OccursIntermittently

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0175Fuel System Too Lean (Bank 2)
Message Closed w/FIX

car Vehicle Data

2012 Chevrolet Silverado 2500 HD LT

VIN 1GC1KXCGXC
Engine6.0 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, MIL Lamp On
OccursIntermittently

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0175Fuel System Too Lean (Bank 2)