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Injector pulse width under load tells you what fuel trim can.

@masterautotraining

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Why it worked

The video provides valuable, practical information for automotive technicians by explaining a diagnostic technique that goes beyond standard fuel trim analysis. It addresses a common problem (engine stumbling without codes) and offers a clear solution using data interpretation, making it highly relevant and useful for the target audience.

Summary

This video explains how injector pulse width is a crucial metric for diagnosing engine problems that fuel trims might miss. It demonstrates how to use a scan tool to graph injector pulse width alongside other data during acceleration to identify potential fuel delivery issues.

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Transcript, structure and on-screen text

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Original caption

Fuel trims can look perfect while the engine still falls on its face under load. That’s why injector pulse width matters. At Master Automotive Training in Rancho Cucamonga, California, we teach technicians how to graph injector pulse width, MAP sensor data, RPM, and fuel delivery performance to diagnose drivability problems the right way. 👉 Stop guessing at fuel system faults and learn how to read real engine data. Register now: https://campscui.active.com/orgs/MasterAutomotiveTraining?orglink=camps-registration# #MasterAutomotiveTraining #FuelDiagnostics #AutoDiagnostics #RanchoCucamonga #DrivabilityDiagnostics #ScanToolData #FuelSystemDiagnosis #CaliforniaMechanic