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1999
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Grand Prix V6-3.8L VIN K
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Powertrain Management
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Scan Tool Testing and Procedures
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Scan Tool Data Definitions - Powertrain Systems
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TWC Diagnostic
TWC Diagnostic
Scan Tool Displays ENABLED or DISABLED. ENABLED displayed indicates that
MAF
,
HO2S
, ECT, or
VSS
DTCs that would disable the TWC diagnostic are not present.