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1999 Mazda Miata 10th Anniversary 1.8L Misfire, MIL Lamp on
This car came in about 2 months ago for an MIL issue. Found 2 codes PO300 and PO421. Inspected plugs and wires and found carbon track marks on number 2 wire. We replaced plugs and wires with OEM parts and found quite a few posts about bad converters in the arc...
FIX posted 11/5/2004
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Message Closed w/FIX
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Related Documents & Media | VIN | JM1NB3537X |
| Engine | 1.8 L / 4 cyl / GAS |
| Trans | 6-speed Standard |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Cold |
Trouble Codes
| P0300 | Multiple Misfire Detected |
| P0421 | Catalytic Converter Efficiency (Bank 1) |
Message Closed w/FIX
Vehicle Data
1999 Mazda Miata 10th Anniversary
| VIN | JM1NB3537X |
| Engine | 1.8 L / 4 cyl / GAS |
| Trans | 6-speed Standard |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Cold |
Trouble Codes
| P0300 | Multiple Misfire Detected |
| P0421 | Catalytic Converter Efficiency (Bank 1) |
Video