FixVault
Home › Pontiac › 2003 › Aztek AWD › Repair and Diagnosis (Single Page) › Engine Performance › System › Engine Controls Self-Diagnostics › Diagnostic Tests › DTC P0030: Ho2S Heater Control Circuit - Sensor 1 › Test Description

Test Description

The numbers below refer to the step numbers in the diagnostic procedures.

  1. 4 -  A DTC fail in this step verifies the problem is present with the HO2S 1 disconnected.
About FixVault