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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 335 (Engine Controls - Self-Diagnostics - 3.0L) >> Diagnostic Tests >> DTC P0507: Idle Speed High - IAC Responding >> 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 numbers on the diagnostic procedures.

  1. 2 -  If any of the listed DTCs are present, correct the condition before returning to this test.
  2. 3 -  This test determines whether the engine can achieve the commanded RPM, and if not, whether the RPM is too high or too low.
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