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2006 Cadillac DTS 4.6L MIL Lamp on
Car came in with code P0420. Converter tested marginal so I replaced cat with a Walker Ultra and updated the computer with the latest software for false code P0420 setting. Ran bay test to run monitor and passed. Road tested vehicle while watching oxygen senso...
FIX posted 1/28/2015
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Message Closed w/FIX
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| VIN | 1G6KD57Y76 |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/FIX
Vehicle Data
2006 Cadillac DTS
| VIN | 1G6KD57Y76 |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
19 Replies Received
19 Replies Received
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