Cummins ISB, ISX, ISM & ISL Fuel, Air Emission Management Drivability

This course covers the Cummins Diesel Engines using scan data for diagnostics. We include both Insite and OBD-II scan tools so no one is left out. Performance problems are common in Cummins engines. Technicians have reported that these vehicles are difficult to repair and the information is hard to find or is inaccurate.

 

This class covers  "Real World' diagnostics on the drivability control systems for Cummins ISB, ISM, ISM and ISL diesels with HD & OBD-II electronic controls. Learn how the Cummins engine handles OBD-II requirements for fuel control and emissions. Information like the injectors using two drivers and not just one as the gasoline engine does is critical when diagnosing emission or drivability concerns. Service information, schematics, and scan data using ISB examples will be used to help the technician diagnose these vehicles in the service bay the next day.

 

Learn from an ATA expert to quickly and efficiently diagnose and repair the unique electronic engine control.

 

  • Compression Ignition

  • Water/fuel separator and WIF sensor

  • Intake air heaters operation

  • Fuel filtration and fuel heater operation

  • The High-Pressure Common Rail (HPCR) system

  • High and Low Pressure Fuel systems

  • Fuel control actuator and fuel rail pressure sensor

  • Fuel Rail Pressure Limiting Valve and Overflow valve

  • Fuel injector control for pilot, main, and post injector events

  • Programming the fuel injector codes into the computer

  • Charge Air Cooler (CAC)  EGR Airflow Throttle Control Valve

  • Exhaust Gas Recirculation Valve (EGR), EGR cooler/cooler by-pass

  • Turbochargers and VGT operation

  • Exhaust Brake New Exhaust After-treatment Systems

  • Diesel Particulate Filter (DPF)

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