14581 - EMISSION RECALL. GENERAL MOTORS HAS DECIDED TO CONDUCT A VOLUNTARY EMISSION RECALL INVOLVING CERTAIN 2008 CHEVROLET AVALANCHE, SILVERADO, SUBURBAN, AND TAHOE; AND GMC SIERRA, YUKON, AND YUKON XL VEHICLES EQUIPPED WITH CALIFORNIA BIN 4 EMISSIONS RPO NU5. THE DESIGN OF THE FUEL CONTROL SYSTEM DID NOT ADEQUATELY CONTROL CARBON MONOXIDE EMISSIONS UNDER CERTAIN OPERATING CONDITIONS. DEALERS ARE TO REPROGRAM THE ENGINE CONTROL MODULE WITH A MODIFIED FUEL CONTROL CALIBRATION.
