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2015 Chevrolet Express 3500 LS 4.8L MIL Lamp on
Posted to GM Driveability on 6/4/2020 22 Replies

po 171 -174, ive smoked the intake a few times, no smoke, fuel pressure reads 57.8 on my snap on and autel. car on and off, ( which has me a bit confused). under load fuel trims stabilize, at idle long term at 20-25 both banks. replaced maf with ac delco a...

22 Replies Received (View Replies)

  Related Documents & Media  2015 Chevrolet Express 3500 LS

 
Message Closed w/Summary

car Vehicle Data

2015 Chevrolet Express 3500 LS

VIN 1GAZGZFF2F
Engine4.8 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / fuel injected
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

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

car Vehicle Data

2015 Chevrolet Express 3500 LS

VIN 1GAZGZFF2F
Engine4.8 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / fuel injected
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

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