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Downstream O2s 0 volts, No CEL, only history P0420
Vehicle had a list of things to check, one of the items was
check engine light was on but now off. ![]()
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| Engine | 3.5 L |
| Trans | 5-speed Automatic (Electronic) |
Vehicle Data
2008 Toyota Sienna LE 3.5L
| Engine | 3.5 L |
| Trans | 5-speed Automatic (Electronic) |

15 Replies Received
15 Replies Received