The National Highway Traffic Safety Administration (NHTSA) is investigating reports of defects with GM's 6.2-liter L87 V8 engine, while dealerships and independent repair shops struggle to source ...
General Motors is now the subject of an NHTSA investigation after more than a thousand complaints were logged over sudden and catastrophic failure of some of its “L87” 6.2-liter V8s—a core power plant ...