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Home >> Infiniti >> 2003 >> Q45 >> Repair and Diagnosis >> External Pages >> Different car >> Section 201 (Engine Control System) >> DTC P1148, P1168: Closed Loop Control >> Diagnostic Procedure
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Diagnostic Procedure

WARNING: This page is about a different car, the 2004 Infiniti Q45. However, it is still accessible from the selected car via links, so may be relevant.

Perform trouble diagnosis for DTC P0133, P0153. Refer to DTC P0133, P0153 HO2S1  .

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