Diagnostic Archives - UnderhoodService
What Caused The Turbo To Fail?

Up to 50% of turbocharger failures are due to oiling problems.

The November Digital Edition of ShopOwner Is Here

Every issue includes technical and marketing information from ShopOwner channels.

Programming Options

Let’s help keep the code secure and your sanity intact.

E-15 Ethanol Damage to Fuel Pumps

One of the problems with ethanol is how it reacts to water in the air and in the tank.

Fuel Tanks and Pumps

The behavior of the fuel wells, pumps & sending units are often misdiagnosed, leading to fuel pumps being replaced.

VIDEO: Using A Community To Confirm A Diagnosis

Diagnostic community help can be a great tool in your shop. This video is sponsored by Mitchell 1.

Snap-on’s New VANTAGE Legend Scan Tool Has An Updated Interface

A two-channel lab scope, graphing meter and expert information makes it easy for technicians to verify component failures.

Traction And Stability Lights On With Code C0131

Technicians are advised to remove BPMV assembly and inspect the brake pressure sensor assembly.

Redline Detection High Pressure Diagnostic Leak Detection

The PowerSmoke PRO Diagnostic Leak Detector finds high pressure leaks, saving you time and money.

Bartec USA Announces Second 2020 Software Update

A better working tool means more vehicles serviced and an improved bottom line for their service partners.

Pico Technology Launches New Diagnostic Oscilloscopes

The tools combine the strengths of labscopes and add a smart interface for powered and intelligent accessories.

VIDEO: Using Symptom-Based Lists To Add Value To Labor

Andrew Markel discusses a feature of some shop management software that allows you to quickly produce a task list based on a vehicle symptom. Sponsored by Manager SE from Mitchell1.