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2007 Chevrolet Uplander LS 3.9L MIL Lamp on
Posted to GM Driveability on 4/1/2010 10 Replies

This Uplander has a P0172 System Rich code. No apparent running issues. Fuel trims are as follows ST = -4 to 4, LT = -17 to -23. Front O2 readings are good. Rear readings are anywhere from 600 to 800 mV. Fuel compostion is lo. Unfortunately, my info on this ne...

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  Related Documents & Media  2007 Chevrolet Uplander LS

 
Message Closed w/FIX

car Vehicle Data

2007 Chevrolet Uplander LS

VIN 1GNDV23W77
Engine3.9 L / 6 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

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

car Vehicle Data

2007 Chevrolet Uplander LS

VIN 1GNDV23W77
Engine3.9 L / 6 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0172Fuel System Too Rich (Bank 1)