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Home >> Chevrolet >> 2001 >> Camaro Base, 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 40 (Engine Control System Self-Diagnostics - 5.7L) >> Diagnostic Tests >> DTC P0507: Idle Control System - High Rpm >> Test Description

Test Description

WARNING: This page is about a different car, the 2002 Pontiac Firebird and 2002 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.

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

  1. 5

    This test will determine the ability of the engine controller and IAC valve circuits to control the IAC valve.

  2. 7

    This test will determine the ability of the PCM to provide the IAC valve circuits with a ground. On a normally operating system, the test lamp should not flash while the IAC counts are incrementing.

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