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2000 Cadillac Eldorado ESC 4.6L MIL Lamp on
Posted to GM Driveability on 4/8/2008 25 Replies

DID A TUNE UP,FUEL FILTER AND INDUCTION SERVICE. CK. ENG. LIGHT ON.(not sure if light was on before tune up) dtc p0171&p0174. fuel pressure 36 psi koeo. changed fuel pump. Pressure from new pump the same.

changed fuel pump again.(delphi).Pressure @40 psi.

Ch...

25 Replies Received (View Replies)

  Related Documents & Media  2000 Cadillac Eldorado ESC

 
Message Closed w/FIX

car Vehicle Data

2000 Cadillac Eldorado ESC

VIN 1G6EL12YXY
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursUnknown

Trouble Codes

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

car Vehicle Data

2000 Cadillac Eldorado ESC

VIN 1G6EL12YXY
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursUnknown

Trouble Codes

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