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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
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Related Documents & Media | 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) |
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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) |
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