SATURN\CHEVROLET SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SOME 2004-07 SATURN ION RED LINE AND 2005-07 CHEVROLET COBALT SS VEHICLES, EQUIPPED WITH 2.0L 4 CYLINDER (RPO LSJ) ENGINE, MAY HAVE ILLUMINATION OF THE MALFUNCTION INDICATOR LAMP (MAL) AND/OR LACK OF ENGINE POWER. THIS MAY BE CAUSED BY FAILURE OF THE CATALYTIC CONVERTER. *PE