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Home >> Nissan-Datsun >> 2005 >> Sentra SE-R >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - DTCS P1143 To P2138 (Qr25DE) >> DTC P1148: Closed Loop Control >> On Board Diagnosis Logic >> A/T Models Except ULEV

A/T Models Except ULEV

This self-diagnosis has the one trip detection logic. 

Fig 1: DTC P1148: Problem Detection Possible Cause Chart (A/T Models Except ULEV)
G02451411Courtesy of NISSAN MOTOR CO., U.S.A.

DTC P1148 is displayed with another DTC for air fuel ratio (A/F) sensor 1. Perform the trouble diagnosis for the corresponding DTC.