Century, Grand Prix, Impala, Intrigue, Lumina, Monte Carlo, Regal 2001-2005

Adjustments

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All adjustments in the ignition system are controlled by the Powertrain Control Module (PCM) and Ignition Control Module (ICM) for optimum performance. No adjustments are possible.

All adjustments in the ignition system are controlled by the Powertrain Control Module (PCM) and Ignition Control Module (ICM) for optimum performance. No adjustments are possible.

 
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