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International Automotive Technicians Network
2001 Cadillac DeVille 4.6L MIL Lamp on
Posted to GM Driveability on 1/23/2009 6 Replies

hello techs, lets see if you can help me with a cadillac that arrived today. Customers complaint is, the car was hard starting, and when it did start it would not idle and he had to keep it running by pushing the accelerar pedal down by foot, when letting go i...

6 Replies Received (View Replies)

  Related Documents & Media  2001 Cadillac DeVille

 
Message Closed w/FIX

car Vehicle Data

2001 Cadillac DeVille

VIN 1G6KD54Y31
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIdle

Trouble Codes

P0101Mass Airflow Sensor Range/Performance
P0420Catalyst Efficiency Below Threshold (Bank 1)
Message Closed w/FIX

car Vehicle Data

2001 Cadillac DeVille

VIN 1G6KD54Y31
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIdle

Trouble Codes

P0101Mass Airflow Sensor Range/Performance
P0420Catalyst Efficiency Below Threshold (Bank 1)