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2001 Toyota Tundra 3.4L MIL Lamp on
After running a while the Data for the o2 sensors is backwards. the rear sensor switches moderately while the front sensor stays fairly constant. I unplug the rear sensor and voltage goes to 0, but when I unplug the front sensor the voltage goes to .05 to .10 ...
Summary posted 2/29/2008
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Related Documents & Media | VIN | 5TBJN32141 |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Not Applicable |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/Summary
Vehicle Data
2001 Toyota Tundra
| VIN | 5TBJN32141 |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Not Applicable |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
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