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2015 Chevrolet Silverado 2500 HD WT 6.0L Lean/Low Power
Posted to GM Driveability on 6/12/2023 16 Replies

This truck is lean. Originally came in for long crank, missing, and backfiring. It had several codes for B1 O2 sensors, Rich codes on bank 1, Lean codes on Bank 2. Both B1 O2s were pegged rich. Replaced both B1 O2s and the MAF w/GM. Backfiring and misfire ...

16 Replies Received (View Replies)

  Related Documents & Media  2015 Chevrolet Silverado 2500 HD WT

 
Message Closed w/FIX

car Vehicle Data

2015 Chevrolet Silverado 2500 HD WT

VIN 1GC0KUEG1F
Engine6.0 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsLean/Low Power
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
Message Closed w/FIX

car Vehicle Data

2015 Chevrolet Silverado 2500 HD WT

VIN 1GC0KUEG1F
Engine6.0 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsLean/Low Power
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)