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2003 Cadillac DeVille DTS 4.6L Readiness Monitor
Posted to GM Driveability on 4/16/2009 9 Replies

Hi everyone,

We had this 2003 Cadillac in a few weeks ago with a p0420 code. We installed a new catalytic converter and rear o2 sensor. The customer was in a hurry at the time, so we cleared the code and explained to him to drive the car for a week and come b...

9 Replies Received (View Replies)

  Related Documents & Media  2003 Cadillac DeVille DTS

 
Message Closed w/FIX

car Vehicle Data

2003 Cadillac DeVille DTS

VIN 1G6KF57983
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsReadiness Monitor
Misc.Dts
Message Closed w/FIX

car Vehicle Data

2003 Cadillac DeVille DTS

VIN 1G6KF57983
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsReadiness Monitor
Misc.Dts