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2002 Chevrolet Impala LS 3.8L MIL Lamp on
this code keeps coming back before we warranty the converter has any one else been having this problem when the cat wasn't the fix? should we try another update?
FIX posted 3/13/2009
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Message Closed w/FIX
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Related Documents & Media | VIN | 2G1WH55K22 |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / MULTI PORT |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | At Least a Couple of Days |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/FIX
Vehicle Data
2002 Chevrolet Impala LS
| VIN | 2G1WH55K22 |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / MULTI PORT |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | At Least a Couple of Days |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Video