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Home >> Infiniti >> 2005 >> Q45 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U1000 To P0430 >> DTC P0139, P0159: Ho2S2 >> Overall Function Check >> Notes

Overall Function Check: Notes

Use this procedure to check the overall function of the heated oxygen sensor 2 circuit. During this check, a 1st trip DTC might not be confirmed.

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