Operation CHARM
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Oldsmobile
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1982
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Toronado V6-252 4.1L
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Repair and Diagnosis
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Powertrain Management
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Tune-up and Engine Performance Checks
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Ignition Timing
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Timing Marks and Indicators
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Locations
Timing Marks and Indicators: Locations
Timing Mark - 3.8L (231) ex. FI, 4.1L (252):