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2001 Buick Regal LS 3.8L MIL Lamp on
any ideas?? both o2's appear to be switching from rich to lean .1-.8 volts.
FIX posted 7/1/2005
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Message Closed w/FIX
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Related Documents & Media | VIN | 2G4WB55K41 |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / pfi |
| 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
2001 Buick Regal LS
| VIN | 2G4WB55K41 |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / pfi |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Video