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1999 Toyota 4Runner Limited 3.4L MIL Lamp on
vehicle arrived with po 420 only 4 possibilities are [...] leak. 2-A/F sensor (air fuel on bank one). [...] Oxygen sensor(bank one sensor 2). 4- Three-way catalytic converter. history on vehice is perfect maintenance by a very reputable repair facility. diagno...
FIX posted 2/21/2004
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Related Documents & Media | VIN | JT3HN87R9X |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
| Misc. | California Model |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
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Vehicle Data
1999 Toyota 4Runner Limited
| VIN | JT3HN87R9X |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
| Misc. | California Model |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
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