Operation CHARM
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1993
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Camaro V6-204 3.4L
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Repair and Diagnosis
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Powertrain Management
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Ignition System
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Ignition Timing
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Adjustments
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Ignition Timing: Adjustments
The base timing is preset when the engine is manufactured, no adjustment is possible. Timing advance and retard are accomplished through the Engine Control Module (ECM) with Ignition Control (IC).