April 2023 Archives - UnderhoodService
Diagnosing Misfires

What if there are no codes and a misfire is intermittent? This is where it gets complicated.

Lifter Deactivation

The area of contact between the lifters and cam lobes is the highest loaded surface inside an engine.

Goofy Traffic Laws

Here are some of the wackiest rules you might not have heard about in Driver’s Ed.

Catalytic Converter Theft Update

Converters are still being stolen at record rates.

AC Condensers

The characteristics that make the parallel-flow condenser so efficient are among its major drawbacks as well.

Chrysler Steering System 

If one or more conditions from the list are confirmed to be present, refer to the detailed service procedures.

The April Digital Edition Is Available Today

Each issue includes technical content from Underhood Service and other ShopOwner channels.