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Cobalt L4-2.0L SC
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Exhaust System - MIL ON/DTC P0420/Poor Performance
Exhaust System - MIL ON/DTC P0420/Poor Performance
This TSB number 08-06-05-002, dated 03/05/08 has been superceded by TSB number 08-06-05-002B , dated 06/03/09