July 2023 Archives - UnderhoodService
Diagnostic Procedures For Stop/Start Systems

Stop/start technology is more than just a switch wired to the brake pedal and starter.

Road Usage Taxes and Right To Repair

The federal gas tax has been around since 1932, and some state fuel taxes even longer.

Diagnosing Crankshaft Position Sensors

Modern engines need to know the position of the crankshaft and camshafts.

Subaru PCV Hose Redesign

Always order the most up-to-date replacement parts based on the specific model.

Coffee, Cars and Casual Conversations

We are looking for professionals to share their knowledge and passion with the industry.

Electronic Throttle Body Service

On most systems, idle speed is completely controlled by the throttle plate angle.

The July Issue Is Now Available For Free Download

Every issue includes technical and marketing information from multiple ShopOwner channels.