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Oldsmobile
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1992
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Cutlass Ciera L4-151 2.5L
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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
Ignition Timing: Adjustments
This engine uses a Direct Ignition System (DIS). The ECM controls
ignition timing
and no provisions for adjustment are provided.