5 Gas

5 Gas Level I

EMISSIONS TROUBLE SHOOTING THROUGH 5 GAS ANALYSIS LEVEL I

In this course, the technician will:

Discuss fuel composition

	Determine fuel related drive-ability
	Discuss carbon formation
	Determine de-carbonization procedures

Discuss Emission Formation

	Determine mixture composition
	Evaluate formation of emissions
	Discuss inter-relationship of formed emissions
	Determine causes of elevated emissions

Examine Emission Control Devices Operation

Determine Nox control devices

	Discuss operation of back pressure EGR valves
	Evaluate EGR feedback operation
	Discuss operation of Electronic EGR valves
	Perform EGR function and control tests

Determine HC control devices

	Determine cause of elevated HC emissions
	Formulate diagnostic procedures for elevated HC

Determine CO control devices

	Determine causes of elevated CO emissions
	Formulate diagnostic procedures for elevated CO
	Perform injector diagnostic procedures
	Develop flow of diagnosis of carb vs. injection systems

Analyze 3-way catalytic converter operation

	Perform catalytic converter diagnostic procedures
	Evaluate catalyst performance

Discuss different O2 sensor characteristics and operation

	Describe fundamental O2 sensor testing
	Perform O2 signature analysis for emission failures

Analyze the ASM 2525 report and IM240 Drive Trace

	Discuss IM 240 Drive Trace report interpretation
	Analyze and determine failures from Drive Trace report
	Perform baseline procedures for determining Drive Trace repairs
	Analyze and determine failures from the ASM 2525 report

TESTIMONIALS

Copyright © 1999 Hi-Tek Training Inc. All rights reserved.
Revised: August 07, 2005