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Home >> GMC >> 2001 >> Jimmy 4D Utility, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics - 4.3L >> Inspection/Maintenance Procedures >> Inspection/Maintenance Air System Set Procedure >> Description
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Inspection/Maintenance Air System Set Procedure: Description

The purpose of this test is to satisfy the enable criteria necessary to execute I/M readiness diagnostics for the Secondary Air Injection (AIR) system. The test may be used to set the I/M System Status to YES.

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