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Episode 155
Relatively Speaking about Relative Compression [E155]
Diagnosing the Aftermarket A to Z · Matt Fanslow
October 9, 202438m 52s
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Show Notes
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)