See also:

Underwhelming Turbo Four-Cylinder
The Genesis coupe is offered with a standard turbocharged four-cylinder or an optional V-6, and this is one of those times when it's worth the extra money to choose the optional engine. I drove bo ...

3. Exhaust emission control system
The Exhaust Emission Control System is a highly effective system which controls exhaust emissions while maintaining good vehicle performance. Vehicle modifications This vehicle should not be modif ...

Vacuum crankcase ventilation hoses
Inspect the surface of hoses for evidence of heat and/or mechanical damage. Hard and brittle rubber, cracking, tears, cuts, abrasions, and excessive swelling indicate deterioration. Particular att ...