The NHTSA has opened a preliminary evaluation into possible issues with V8 engines in Chevrolet Silverado and GMC Sierra pickups, as well other vehicles.

The National Highway Traffic Safety Administration (NHTSA) has opened a preliminary probe into more than 877,000 trucks and SUVs built by General Motors. The agency’s Office of Defects Investigation (ODI) has received 39 complaints of engine failure due to a problem linked to faulty connecting rod bearings.

The National Highway Traffic Safety Administration on Friday opened an investigation into 870,000 cars manufactured by General Motors after receiving reports of engine failure.

The NHTSA just opened a preliminary investigation into reports that GM's widely used V8 engine could fail without warning in 870,000 trucks and SUVs.