What’s New in the GTC505 Engine Ignition Analyzer?

This year, we’ve released a new version of our GTC505, with a number of new features to improve performance, reliability, and ease-of-use. This redesign and redevelopment was triggered by supply issues with the NXP Kinetis K60 processor we had been using. We took advantage of this opportunity, and completely reworked the tool’s electronic hardware and …

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Engine Compression Diagnostics Article Roundup

How to Do An Engine Compression Test by Staff Writer A brief comparison of dry compression, wet compression, and leak-down tests. Read Article at Autozone Dynamic Duo by Mark Warren How to use a current clamp and oscilloscope combination to check cranking compression and the starter motor. Read Article at Motor Magazine Lab Scopes and …

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Fuel Injection Diagnostics Article Roundup

  Fuel Injector Circuit Waveforms by Andrew Markel This article explains the basics of a solenoid injector’s voltage and current waveforms. Read Article at Tomorrows Technician Testing Piezoelectric Injectors by Joe Clark A look at some methods of testing piezoelectric injectors, both on-engine and off-engine. Read Article at Diagnosing and Servicing Gasoline Direct Injection …

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Types of Corrosion Found on Cars, Trucks, and Boats

Corrosion is an unfortunate and inevitable effect that attacks most metals. There are a few common causes of corrosion, and you’ve probably encountered all of them, even though you might not have recognized or identified them at the time. Understanding what’s going it can help you detect and prevent it in the future. This post goes through the most common causes of corrosion, the factors which speed it up, how you can slow it down, and what you should do about preventing it.

How to Test Glow Plugs

Glow plugs are installed on many diesel engines to help with cold starts. They usually fail because of corrosion, overheating, mechanical damage, or metal fatigue, and their failure can cause a variety of problems. The easiest way to test a glow plug is by using a clamp-meter, though digital multimeters can also do the job, and glow-plug testers also work.