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1999
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Seville STS V8-4.6L VIN 9
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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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TWC Test Initialization Conditions Met
TWC Test Initialization Conditions Met
Display shows No or Yes. This display says that the idle conditions required to test the catalyst are met.