CHEVROLET/BUICK/GMC: AFTER HAVING INTAKE CAMSHAFT OR INTAKE CAMSHAFT ACTUATOR REPLACED, SERVICE ENGINE SOON LIGHT IS ON, ENGINE HAS LOW POWER OR IS IDLING ROUGH WITH A WHINE NOISE FROM HIGH PRESSURE FUEL PUMP. MODEL 2010-2011 LACROSSE, EQUINOX, TERRAIN, REGAL. *PE
