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Home >> Mazda >> 2002 >> Millenia S >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - 2.3L >> Diagnostic Tests >> DTC P0134: Front Right Ho2S Circuit, No Activity Detected & P0154: Front Left Ho2S Circuit, No Activity Detected >> Monitoring Conditions
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Monitoring Conditions

The monitoring condition is Drive Mode 3, see MODE 3: HO2S & TWC REPAIR VERIFICATION  , and the following conditions are met: