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Alero L4-144 2.4L DOHC VIN T SFI
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Repair and Diagnosis
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Powertrain Management
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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 Scan Tool Data Definitions
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TWC System Related DTC Is Set
TWC System Related DTC Is Set
RANGE YES/NO:
The display shows Yes or No. This display indicates if a DTC is set that will prevent the Idle Catalyst test from running.