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Home >> Chevrolet >> 1999 >> Cavalier L4-2.2L VIN 4 >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data, Normal Values and Definitions >> Scan Tool Data Definitions - Powertrain Systems >> Engine Scan Tool Data Definitions >> Another TWC Test Desired
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Another TWC Test Desired

Range - Yes/No
The display shows Yes or No. The display indicates if another catalyst test is needed for a catalyst test decision. The PCM may need another test to determine if the catalyst is operating properly.
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