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Home >> Pontiac >> 2006 >> Grand Prix GXP >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 5.3L - DTC P0446 To P1381 >> DTC P1133 >> DTC Descriptors

DTC Descriptors

This diagnostic procedure supports the following DTC:

DTC P1133 HO2S Insufficient Switching Sensor 1

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