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1999
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Bravada V6-4.3L VIN W
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Powertrain Management
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Scan Tool Testing and Procedures
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Scan Tool Data, Normal Values and Definitions
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Scan Tool Data Definitions - Powertrain Systems
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Spark Control
Spark Control
(Advance/Retard)
The Spark Control parameter indicates whether the
VCM
is advancing or retarding spark.