September 2020 Archives - UnderhoodService
Reflashing Power Supplies

A power supply to keep the system voltage consistent is a required piece of equipment to perform a reflash procedure.

Active Grille Shutter Service

Mounted ahead of the radiator, active grille shutters have motorized horizontal vanes that can rotate to block airflow.

Hyundai, KIA Develop GPS, Camera Connected Shift System

The vehicle can automatically shift to the optimal gear after identifying road and traffic conditions ahead.

Runners And Ports: How Modern Engines Manage Air

Variable-length intake runners change the length of the intake passages depending on engine speed and load.

How Ignition Coils And Plugs Find The Path Of Least Resistance

No matter if it is the secondary or primary side of the coil, inspecting the grounds should be one of the first tests.