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2002 Mazda 626 LX 2.0L MIL Lamp on
This vehicle runs very well. The check engine light comes on with code 421. Checked o2 sensors both [...] appear to be working [running up & down the scale]. I don't want to replace the cat con and found I made an expensive mistake. Is there something I am ove...
Summary posted 2/9/2009
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Related Documents & Media | VIN | 1YVGF22E52 |
| Engine | 2.0 L / 4 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| 421 | catalyst warm up efficency low |
Message Closed w/Summary
Vehicle Data
2002 Mazda 626 LX
| VIN | 1YVGF22E52 |
| Engine | 2.0 L / 4 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| 421 | catalyst warm up efficency low |
Video