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Home >> Geo >> 1996 >> Prizm Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Circuit Tests >> DTC P0141 - Heated Oxygen Sensor 2 (Ho2S2) Heater Circuit >> Circuit Description
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Circuit Description

Heated oxygen sensors reduce time required to enter closed loop operation, and allow accurate catalyst monitoring by maintaining a sufficiently high temperature. DTC P0141 will set when:

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