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Home >> Chevrolet >> 2003 >> S10 Pickup 2D Pickup, 2.2 H, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Diagnostic Procedures - 2.2L >> Idle Speed & Ignition Timing

Idle Speed & Ignition Timing

On all models, both the ignition timing and idle speed are controlled by Powertrain Control Module (PCM) and are not adjustable.

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