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Relatively Speaking about Relative Compression [E155]
Episode 1559th October 2024 • Diagnosing the Aftermarket A to Z • LSTN Media LLC
00:00:00 00:38:51

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Matt Fanslow leads an in-depth discussion focusing on electric motor current and relative compression tests.

Show Notes

  • ACCESS PICO FILES: https://bit.ly/3NgSdvO
  • Overview of Electric Motor Current (00:00:11)
  • Pico Scope Software (00:01:23)
  • Understanding Waveforms (00:02:25)
  • Setting Up Current Probes (00:04:09)
  • Disabling the Fuel System (00:06:14)
  • Configuring the Oscilloscope (00:07:18)
  • Testing Current Consistency (00:10:35)
  • Application to Other Electric Motors (00:12:55)
  • Interpreting Waveform Patterns (00:16:13)
  • Relative Compression Test Overview (00:17:25)
  • Interpreting Waveform Peaks (00:18:34)rs.
  • Identifying Global Compression Issues (00:19:54)
  • Using Amplitude Cursors (00:21:04)
  • Diagnosing Ignition Timing (00:24:23)
  • Visual Confirmation of Cylinder Count (00:26:33)
  • Identifying Misfiring Cylinders (00:27:38)
  • Analyzing Low Compression Waveforms (00:30:06)
  • Understanding Air Spring Effects in Engines (00:34:04)

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