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2002 Cadillac Seville SLS 4.6L MIL Lamp on
Vehicle was in for running rough and misfires. Found bad ign module. Replaced and ran good. Came back a month later with p0420 code. Cat effic. Replaced the cat with bolt on eastman cat. 2 months later same code. Replaced again. Just under 2 months, same code ...
Summary posted 12/28/2013
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Related Documents & Media | VIN | 1G6KS54Y92 |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
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Vehicle Data
2002 Cadillac Seville SLS
| VIN | 1G6KS54Y92 |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
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