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2003 Toyota Sienna CE 3.0L MIL Lamp on
Greetings Fellow Techs. Thanks in advance for your willingness to help/provide insight. The story - this old (240K miles) Sienna starting popping a P0420 code approx every couple of months over the last year. It's been working all these years with the original...
FIX posted 12/9/2014
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Message Closed w/FIX
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11 Replies Received
11 Replies Received
Related Documents & Media | VIN | 4T3ZF19CX3 |
| Engine | 3.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / sfi |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/FIX
Vehicle Data
2003 Toyota Sienna CE
| VIN | 4T3ZF19CX3 |
| Engine | 3.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / sfi |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Video