Operation CHARM
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Buick
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1999
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Riviera V6-3.8L SC VIN 1
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Testing and Inspection
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Scan Tool Testing and Procedures
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Scan Tool Data Definitions - Powertrain Systems
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Engine Oil Life
Engine Oil Life
Scan Tool Displays
0%
to
100%
. Indicates when to change oil.