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2007 Chevrolet Avalanche LTZ 5.3L MIL Lamp on
Posted to GM Driveability on 10/29/2014 13 Replies

Having problems with bank 1 running all the way to +30 trim on decel. You can not watch variable displacement system and fuel trims on the tech2 at the same time. I cannot absolutely verify this but it only seem to go lean like this when the variable displacem...

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  Related Documents & Media  2007 Chevrolet Avalanche LTZ

 
Message Closed w/FIX

car Vehicle Data

2007 Chevrolet Avalanche LTZ

VIN 3GNEC120X7
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursOn Decel

Trouble Codes

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

car Vehicle Data

2007 Chevrolet Avalanche LTZ

VIN 3GNEC120X7
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursOn Decel

Trouble Codes

P0171Fuel System Too Lean (Bank 1)