Dewitz Diagnostic Solutions - Mobile Automotive Diagnostics in Eau Claire, Wis.

Automotive Testing and Training

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Free Automotive Diagnostic Case Studies

I put together automotive diagnostic case studies that show and explain my testing and troubleshooting process. I also share many of the oddity problem vehicles I have encountered. Many of the case studies will help you fix and understand common automotive failures like misfires, no-starts, electrical, driveability, fuel trims, and communications.

Automotive Case Studies


Automotive Diagnostic Scope Training Manual Ad with Pages

Automotive Testing & Training Manuals

Great guide for Snap-On Modis, Versus, and Vantage Pro users but the manual is designed for all automotive scopes in mind. This great resource includes useful charts and tables, scope waveforms, graphing scan tool testing tips and tricks, along with scope test lead and low amp probe test hook up location diagrams. Sensor tests include O2, TPS, VSS, MAF, CKP, CMP and MAP. Other component testing includes fuel pumps, coils, starters, blower motors, and fuel injectors. Ford Mode 6 misfire diagnostics and Ford coil on plug (COP) testing tricks included.

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Training Manual

Scan Tool Data PID Diagnostics Training Manual
  • Pages n/a
  • Color Yes
  • Tool Multiple

Training Manual

Automotive Scan Tool, Scope, and Waveform Training Manual
  • Pages 40
  • Color Yes
  • Tool Snap-On Modis

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