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2001 Cadillac DeVille 4.6L Excessive Emissions, Poor Fuel Economy, MIL Lamp on
Posted to GM Driveability on 10/27/2006 4 Replies

Hi All

My first help request. I do check the knowlege base all the time and it is a big help, as I am on my own now. Just bought this shop in the spring. I have an 01 Cadilac Deville in here that is just pooring the fuel through it. Has codes P0171 and P0174....

4 Replies Received (View Replies)

  Related Documents & Media  2001 Cadillac DeVille

 
Message Closed w/Summary

car Vehicle Data

2001 Cadillac DeVille

VIN 1G6KD54Y41
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Fuel Economy, MIL Lamp On
OccursAlways

Trouble Codes

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

car Vehicle Data

2001 Cadillac DeVille

VIN 1G6KD54Y41
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Fuel Economy, MIL Lamp On
OccursAlways

Trouble Codes

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