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2005 Chevrolet Silverado 1500 4.8L MIL Lamp on
Posted to GM Driveability on 3/23/2019 35 Replies

This truck runs good. Short and long term fuel trims at idle are less than 5. Going up hill 2000 to 2500 rpm, 35 to 40% throttle long term fuel on both banks is 20. Freeze frame showed codes were set at same conditions with 25 long term fuel trims. Wide op...

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  Related Documents & Media  2005 Chevrolet Silverado 1500

 
Message Closed w/FIX

car Vehicle Data

2005 Chevrolet Silverado 1500

VIN 1GCEK19VX5
Engine4.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / efi
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursUnder Load

Trouble Codes

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

car Vehicle Data

2005 Chevrolet Silverado 1500

VIN 1GCEK19VX5
Engine4.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / efi
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursUnder Load

Trouble Codes

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