Gasoline Engine Emissions Analysis

VSG17 A Bosch Certified Course

This course is designed for garage service technicians who carry out gasoline emissions testing or utilise gas readings in the analysis of engine running faults. The aim is to provide delegates with the skills and knowledge required to identify emissions related problems and make effective use of emissions test data for engine management system diagnosis.

Identification of faults by using tail-pipe gas indications requires a thorough understanding of the gasses involved and the related ECU controls. Techniques covered include testing of the system via analysis of the exhaust gasses using emissions test equipment, alongside oscilloscope testing of the oxygen sensors and interrogation of the onboard self-diagnosis system.

Completion of the engine management courses VSG2 and VSG5 is the minimum prerequisite to attending this advanced course. Delegates should be familiar with the use of a typical 4-gas analyser and proficient in the operation of an oscilloscope and a diagnostic tester. The appropriate equipment operator’s courses must be attended in advance.

The course is divided into linked modules, which allow the essential underpinning theory and practical skills knowledge to be delivered effectively.

  • Primary exhaust gas constituents and catalytic converter
  • Exhaust gas emissions values and gas relationships
  • Diagnostic steps and Closed Loop control
  • Emissions faults diagnosis via interpretation of gas values
  • Emissions control legislation – On Board Diagnosis (OBD)
  • Interpretation of diagnostic tester OBD data readings (OBD)

On successful completion of VSG17 delegates will be able to:

  • Distinguish the fault indications made by each of the individual exhaust gases and use exhaust gas readings to aid in pinpointing engine running faults.
  • Carry out diagnostic test routines to enable the correlation and assessment of exhaust gas values with diagnostic port information and utilise all available OBD diagnostic modes for the evaluation of vehicle faults.

Price: £330 + VAT

Duration: 2 day


Dates and Venues

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