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Home >> Chevrolet >> 2003 >> S10 Pickup 2D Pickup, 2.2 H, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics - 2.2L >> Diagnostic Tests >> DTC P0134: O2S Circuit - Insufficient Activity (Sensor 1) >> Test Description

Test Description

The numbers below refer to the step numbers on the diagnostic procedures:

  1. 2 -  If the voltage is varying above and below the specified value, the condition is not present.
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