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2005
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Cobalt L4-2.2L VIN F
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Engine Controls - Repeat SES Lamp ON/DTC P0420
Engine Controls - Repeat SES Lamp ON/DTC P0420
This TSB number 05-06-04-030A, dated 05/12/05 has been superceded by TSB number 05-06-04-030B , dated 01/18/06