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Isuzu
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2006
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Ascender LS, 5.3 M, RWD
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System - 5.3L - DTC P0449 To P1516
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DTC P1133 or P1153
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DTC Descriptors
DTC Descriptors
This diagnostic procedure supports the following DTCs:
DTC P1133 HO2S Insufficient Switching Bank 1 Sensor 1
DTC P1153 HO2S Insufficient Switching Bank 2 Sensor 1