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2001 Buick Regal LS 3.8L MIL Lamp on
Posted to GM Driveability on 7/26/2005 19 Replies

car came in with no power,cleaned maf,replaced fuel filter{clogged{.did back pressure test and found convertor [...] new convertor obdll [...] came back following week with cat [...] no access to gas analyzer any help would be appreciated. ThankYou Andrew

19 Replies Received (View Replies)

  Related Documents & Media  2001 Buick Regal LS

 
Message Closed w/FIX

car Vehicle Data

2001 Buick Regal LS

VIN 2G4WB55K11
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / mpi
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursNot Applicable

Trouble Codes

P0420Catalyst Efficiency Below Threshold (Bank 1)
Message Closed w/FIX

car Vehicle Data

2001 Buick Regal LS

VIN 2G4WB55K11
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / mpi
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursNot Applicable

Trouble Codes

P0420Catalyst Efficiency Below Threshold (Bank 1)