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In Cylinder Pressure Diagnostics

July 13 @ 12:00 pm - 1:30 pm EDT


JOIN US LIVE JULY 13th @ 12:00-1:00 PM ET

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AVI Instructor John Barclay will cover using transducers and waveforms to accurately identify and diagnose a variety of cylinder and timing issues.  
John will hold a Q&A session at the end of the presentation to answer questions.

*Free registration through July 13th. A

Measuring pressure within specific cylinders is a relatively new form of automotive diagnostic testing,  It uses amplified and non-amplified pressure transducers to determine specific cylinder misfires, engine blow-by percentage, restrictions in fuel injectors, valve timing, concerns, and other volumetric efficiency issues. AVI Instructor John Barclay takes a deep look at pressure transducer waveforms, determining cam timing. and how to Use pressure transducers to determine engine mechanical, fuel system, and misfire concerns.  Valve train including intake and exhaust issues can all be diagnosed using a pressure transducer and a labscope. This class shows detailed interpretation of wave forms and timing.

Course Objectives:

    • Understand what a pressure transducer is and how it works
    • Identify multiple types of pressure transducers
    • Connecting a pressure transducer to a labscope
    • Overview of when to use an in cylinder pressure transducer 
    • Comparison of other tests available and problems
  • Precautions to take with CPT
  • Using waveforms to diagnose timing and related issues
  • Using a cranking, Idle and Acceleration check procedure
  • Detailed scope pattern interpretation
  • Evaluating use of pressure transducer diagnostic and when this procedure should be considered.

Runtime=63 minutes

Study Hours: 1.5


July 13
12:00 pm - 1:30 pm
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In Cylinder Pressure Diagnostics

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