You searched for Diagnostics - Page 3 of 182 - UnderhoodService
Snap-on Debuts ZEUS+ Diagnostics EPIQ Workstation Giveaway

Any Snap-on customer with a diagnostic platform running the fall software release by Dec. 31, 2022 will be entered into this sweepstakes.

Gasoline Direct Injection: Total System Diagnostics

Modern gasoline direct injection (GDI) engines have two fuel pump opportunities. You still have an electric pump in the tank, but a high-pressure fuel pump is on the engine. These two pumps work in unison, so the correct quantity of fuel is injected directly into the cylinder. If either pump can’t generate the pressure or

No Go? Battery and Starter Diagnostics

What seems like a problem with one could be an issue with the other.

Underhood: Stop/Start System Diagnostics

This webinar is part of “AAPEX Repair Shop HQ Webinar Series: An 8-Part Webinar Series.” Sponsored by AAPEX. A stop/start system can improve fuel economy by five to seven percent and lower emissions. For stop/start functions to work, five vehicle systems must work in unison for smooth operation. During this webinar we will cover how

AC Diagnostics: Troubleshooting Pressures and Temperatures

The most difficult AC complaints to resolve are the system blows warm, or the air is not as cold as it once was. The causes of the declining performance could be caused by a multitude of components and conditions. In a 45-minute webinar, the experts from Transtar AC will cover the possible causes of AC

Knock Sensor Diagnostics

The knock sensor is not the only sensor responsible for detecting engine knock.

Modern Cooling System Diagnostics: Pumps, Fans and Thermostats

All modern engines need a specific air/fuel ratio for efficient operation. But the mixture of air and fuel must be at the correct temperature inside the combustion chamber. If a cylinder is too cold, it will require extra fuel. Conversely, if a cylinder is too hot, the fuel and air could combust prematurely or produce

Domestic Driveability Diagnostics & Tips

Learn how to streamline the diagnostic process for driveability issues. This webinar will help you effectively communicate a vehicle diagnosis to the service advisor. The presentation will provide “real-world” data and cases studies. This technical topic is geared for the average B+ technician and/or a refresher for the A technician. NGK is dedicated to meeting

GDI Diagnostics and Repair

Do the letters “GDI” scare you? If gasoline direct injection or GDI has you avoiding diagnostics and repairs on late-model vehicles, we have some training for you! In this 45-minute webinar, experts will help you understand GDI systems from the strainer in the tank to the nozzles in the combustion chamber. Topics to be covered:

Import Drivability Diagnostics & Tips

This webinar will focus on import vehicles systems including terms to know, drivability diagnostic steps using the proper approach, and more.