2002 Cadillac DeVille DTS 4.6L MIL Lamp on
Thanks in advance for your help. Car came in originally with both o2s switch identically. Car has no drivablity issues. Fuel control is plus or minus 2%. We sold the cat and now cat lights off and second o2 flat lines but code still returns within a week. Is t...
Summary posted 10/2/2007
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle 6 Replies Received (View Replies)6 Replies Received (Hide Replies)Related Documents & MediaRelated Documents & Media |
Message Closed w/Summary
Vehicle Data2002 Cadillac DeVille DTS
Trouble Codes
|
Message Closed w/Summary
Vehicle Data
2002 Cadillac DeVille DTS
VIN | 1G6KF57982 |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Misc. | Dts |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |