NHTSA has opened an investigation into more than 877,000 General Motors vehicles due to a potential problem with the 6.2L V8 engine.

The National Highway Traffic Safety Administration (NHTSA) has opened an investigation into General Motors (GM) over potential engine failures affecting many of

A recall of the affected models, which include the Chevrolet Silverado 1500 and GMC Sierra 1500, may be issued if needed.

Complaints lead NHTSA to examine certain Silverado, GMC Sierra, Chevrolet Tahoe, Suburban, GMC Yukon and Cadillac Escalade trucks and SUVs.

Complaints received by the agency allege a bearing failure that may result in either an engine seizure or a breaching of the engine block. GM said it is cooperating with the agency.

The U.S. National Highway Traffic Safety Administration (NHTSA) has initiated an investigation into 877,710 General Motors vehicles.

The National Highway Traffic Safety Administration is investigating reports of alleged engine failures in GM's 6.2-liter L87 V-8, an engine used in a wide variety of trucks and SUVs. NHTSA estimates that more than 877,710 vehicles could be vulnerable to the issue.

The National Highway Traffic Safety Administration (NHTSA) has launched a preliminary investigation into engine failures affecting nearly 878,000