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P0141 B1S2 Heater circuit
Vehicle in question is a 2002 Toyota 4Runner w/ 3.4l V6 w/ 135,000 miles on it. Customer had an aftermarket cat installed due to theft of the old catalytic converter. The other shop welded in the aftermarket Cat and installed and Toyota OEM B1S2 sensor. Vehicl... Login to read more. 
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8 Replies Received
8 Replies Received
| Engine | 3.4 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2002 Toyota 4Runner SR5 3.4L
| Engine | 3.4 L |
| Trans | 4-speed Automatic (Electronic) |
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