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Home >> Chevrolet >> 2001 >> Blazer 2D Utility, 4WD, Automatic, Standard >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls Self-Diagnostics - 4.3L >> Programming >> Powertrain Control Module
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Powertrain Control Module

After replacing PCM or if program needs to be updated, refer to latest Techline® information on PCM reprogramming. After reprogramming, perform CRANKSHAFT POSITION SENSOR SYSTEM VARIATION LEARN PROCEDURE .

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