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1998 Chevrolet Lumina 3.1L MIL Lamp on
This car came in with the MIL and P0420 on steady. I want to know if the cat needs to be replaced or not. I took the following readings with my scanner. @ idle the front O2 toggles from 100mv to 500mv, STFT 0% 128 BL, LTFT -26% 94 BL and the cat temp was 512 d...
FIX posted 1/25/2007
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Message Closed w/FIX
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Related Documents & Media | VIN | 2G1WL52M6W |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Cruise, Idle |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/FIX
Vehicle Data
1998 Chevrolet Lumina
| VIN | 2G1WL52M6W |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Cruise, Idle |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
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