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P0141 Toyota

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  • I replaced the o2 downstream sensor and cleared the codes and the check engine light came back on with that code. Please help. 97' camry 4cylinder
Vehicle: 97' toyota camry 4 cylinder

1 Answer

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HI there,

This code is specific to the heater circuit on the sensor. It's possible the fuse for the heater is blown, or the wiring for the heater circuit has an issue. 
P0141 TOYOTA - HO2S12 Heater Circuit Malfunction

Read more: https://www.autocodes.com/p0141_toyota.html

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