Engine Compression Diagnostics Article Roundup

(Basic) Engine Compression Diagnostics by John Gelsimino Jr. A brief comparison of dry compression, wet compression, and leak-down tests. Read Article at MH Network 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 Pressure

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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 TechTips.ie Diagnosing and Servicing Gasoline Direct Injection

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