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Home >> Saturn >> 2003 >> Ion 1 Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P1133: Ho2S Insufficient Switching - Sensor 1 >> Conditions For Setting DTC

Conditions For Setting DTC

The ECM detects that the HO2S 1 Lean/Rich or Rich/Lean transitions are less than a calibrated value.

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