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1998 Mazda Protege DX 1.5L MIL Lamp on
I'm inquiring what code 421 means. Is there some component other than the converter that will set this code?
FIX posted 11/8/2002
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Message Closed w/FIX
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Related Documents & Media | VIN | JM1BC1412W |
| Engine | 1.5 L / 4 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| 421 | Warm up catalsyt effieciency below threshold |
Message Closed w/FIX
Vehicle Data
1998 Mazda Protege DX
| VIN | JM1BC1412W |
| Engine | 1.5 L / 4 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| 421 | Warm up catalsyt effieciency below threshold |
Video