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Home >> Saturn >> 2000 >> SW2 Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P1134: O2S Transition Time Ratio - Sensor 1 >> Diagnostic Aids

Diagnostic Aids

O2S wiring and connections should be checked if any these DTCs are set. Contamination is the most likely cause of these DTCs to set. Contamination could be caused by fuel, improper use of RTV sealant, engine oil or coolant contamination. Correct source of contamination before replacing sensor.

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