5-GAS FAILURE ANALYSIS

Description

1. 5-Gas Failures
   • First look flowchart
   • Defining the fault
   • Fuel or Emission system
   • Lambda
2. Fuel control Diagnostics
   • Putting Lambda in range
   • O2 Sensor Testing
   • Computer Logic Issues
   • Case Studies
3. Emission Control Diagnostics
   • O2 and AF testing, but different
   • Converter Testing
   • Understanding Causes of HC Faults
   • Understanding Causes of NOx Faults
   • Mechanical Engine Diagnostic Tips
   • PCV System Diagnosis
   • Review and test all of the emission
4. Converter testing
   • All converter tests
   • With and Without a 5-Gas
   • Why some work and some don’t
   • Understanding Results