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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 274 (Engine Controls - Self-Diagnostics - 2.2L) >> Diagnostic Tests >> DTC P0130: Ho2S Circuit (Sensor 1) >> Test Description

Test Description

WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refers to the step number in the diagnostic procedures.

  1. 2 -  An HO2S heater fault may set this DTC.
  2. 3 -  If voltage is varying above and below the specified value, the condition is not present.
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