LEMON Manuals: Even more car manuals for everyone
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 P0140: Ho2S Circuit - Insufficient Activity (Bank 1; Sensor 2) >> 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 refer to the step numbers 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.
scientia non olet · About LEMON Manuals