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1996 Cadillac Fleetwood 5.7L Low Power/Vacuum
Posted to GM Driveability on 4/19/2013 16 Replies

Customer complaint is low power and check engine light on. The fuel pump solved part of the low power problem, but it is still weaker than I would like to see for an LT1, and it is continuing to set lean codes. I also have an evap problem, but I have isolated ...

16 Replies Received (View Replies)

  Related Documents & Media  1996 Cadillac Fleetwood

 
Message Closed w/Summary

car Vehicle Data

1996 Cadillac Fleetwood

VIN 1G6DW52P8T
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SFI
EmissionsOBD-II Compliant
SymptomsLow Power/Vacuum
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
P1171Fuel System Lean During Acceleration Detected
Message Closed w/Summary

car Vehicle Data

1996 Cadillac Fleetwood

VIN 1G6DW52P8T
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SFI
EmissionsOBD-II Compliant
SymptomsLow Power/Vacuum
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
P1171Fuel System Lean During Acceleration Detected