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2000 Toyota Sienna CE 3.0L MIL Lamp on
can not get rid of code po420 kees coming back catylast below effciency replaced o2 sensors and coverta from engine to muffler all o2 sensors c/o in parameters i do not have a way to check the waves
FIX posted 9/4/2009
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Message Closed w/FIX
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16 Replies Received
16 Replies Received
Related Documents & Media | VIN | [No VIN Available] |
| Engine | 3.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
| Misc. | Mini Van |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/FIX
Vehicle Data
2000 Toyota Sienna CE
| VIN | [No VIN Available] |
| Engine | 3.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
| Misc. | Mini Van |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Video