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2002 Cadillac DeVille 4.6L MIL Lamp on
Posted to GM Driveability on 7/16/2009 10 Replies

Hi everybody! Thanks in advance for your help. 3 months ago, this cadillac came in for lack of power and for check engine light. The code was for secondary air injection problem on bank 1. The car was tested, and yes, it lacked power. The air check valve was p...

10 Replies Received (View Replies)

  Related Documents & Media  2002 Cadillac DeVille

 
Message Closed w/FIX

car Vehicle Data

2002 Cadillac DeVille

VIN 1G6KD54Y42
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently
Misc.Sedan

Trouble Codes

P0410AIR System Oxygen Sensor Monitor
P0420Catalyst Efficiency Below Threshold (Bank 1)
Message Closed w/FIX

car Vehicle Data

2002 Cadillac DeVille

VIN 1G6KD54Y42
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently
Misc.Sedan

Trouble Codes

P0410AIR System Oxygen Sensor Monitor
P0420Catalyst Efficiency Below Threshold (Bank 1)