customer service Archives - UnderhoodService
Understanding Engine Misfire Codes

When the fuel/air mixture ignites, many factors must be met to pass a misfire monitor.

Belt Service For Hybrid and Stop/Start Systems

Knowing how to “force start” a hybrid vehicle can be helpful if you are trying to diagnose a noise problem.

Hybrid Vehicle Fluid Maintenance

There are opportunities your shop can’t pass up just because the car or SUV has a hybrid badge on the back.

Ignition Coil Output

To see inductance inside the primary windings, use an amp probe placed around the positive wire for the ignition coil.

The April Digital Edition of ShopOwner Is Now Online

Each issue includes management resources and technical content from Underhood Service.

Jump Starting an EV

If an EV with a full battery won’t start, here’s how you can get it up and running.

Diagnosing Intercooler Boost Trouble Code P0299

The criteria for setting the code is very basic.

Power Window Regulator and Motor Service

Power windows are great as long as they roll up and down when commanded to do so.

The March Digital Edition of ShopOwner Is Now Online

Each issue includes technical content from Underhood Service.

Lifter Deactivation

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

Diesel Air Filter Replacement

Here are some diesel air filter replacement tips in order to keep these vehicles running as intended.

The February Digital Edition Is Ready Today!

Each issue includes technical content from Underhood Service.