Operation CHARM
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GMC Truck
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1997
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S15/T15 Sonoma P/U 4WD V6-4.3L VIN W
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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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Setting Timing
Setting Timing
The
distributor
is located in a fixed, non-adjustable position.
Ignition timing
is preset and cannot be adjusted.