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1990 Buick Century Limited 2.5L Cuts out, MIL Lamp on
Posted to GM Driveability on 8/19/2002 11 Replies

Tried a new fuel pump, new oxygen sensor, used ECM, and new injector and a known good regulator. It runs good in open loop as soon as it goes into closed loop the O2 goes to lean and stays there until the light comes on and goes back to open loop and runs fine...

11 Replies Received (View Replies)

  Related Documents & Media  1990 Buick Century Limited

 
Message Closed

car Vehicle Data

1990 Buick Century Limited

VIN 3G4AL54RXL
Engine2.5 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI / TBI
EmissionsUS Federal
SymptomsCuts Out, MIL Lamp On
OccursAlways, Hot

Trouble Codes

44Lean exhaust
Message Closed

car Vehicle Data

1990 Buick Century Limited

VIN 3G4AL54RXL
Engine2.5 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI / TBI
EmissionsUS Federal
SymptomsCuts Out, MIL Lamp On
OccursAlways, Hot

Trouble Codes

44Lean exhaust