AirCare Certified Emissions Repair Manual
Introduction Air Pollution In The Lower Fraser Valley AirCare Program Overview AirCare Program Goals and Objectives Vehicles Subject to AirCare Program Enforcement Inspection Centre Network Inspection Centre Locations Inspection Procedures Inspection Frequency Visual and Functional Inspections Exhaust Emission Inspections Re-inspections About Pacific Vehicle Testing Technologies Who Is PVTT? PVTT’s Vision PVTT’s AirCare Mission Statement About This Manual Purpose Of This Manual How To Use This Manual Symbols Used in This Manual
Chapter 2: AirCare Certification Certification Concept Requirements for AirCare Certification Technician Certification Requirements For Technician Certification Requirements For Technician Re-certification Fuel Type Endorsement Technician Identification Cards Technician Performance Monitoring Repair Centre Certification Requirements for Repair Centre Certification Requirements For Repair Centre Re-certification Chapter 3: Vehicle Inspection Report Purpose of the VIR Emissions Standards Detailed Explanation Of The VIR Inspection Results Vehicle Information Exhaust Emissions Readings Driving Test Idle Test General Information What You Can Learn From The VIR Chapter 4: Detailed Inspection Data Types of Inspection Data Available Chapter 5: Diagnostic Trace Report Purpose of the DTR Detailed Explanation Of The DTR Using The DTR To Assist Your Diagnosis IM240 DTRs IM240 DTR Examples ASM DTRs ASM DTR Examples D147 DTRs D147 DTR Examples Chapter 6: Obtaining Additional Diagnostic Information Second By Second Readings How To Obtain SBS Readings How To Read the SBS Report How The SBS Readings Can Assist Your Diagnosis Previous Inspections and Repairs How To Obtain Previous Inspection and Repair Information How Historical Information Can Assist Your Diagnosis Previous Inspection Results Previous Repair Data Chapter 7: Diagnostic Procedures Overview Safety Precautions The Diagnostic Process Baselining Understanding Exhaust Emissions Gas Analysis In a Nutshell Emissions vs. Air Fuel Ratio Review Inspection Results IM240 Results Interpretation ASM Results Interpretation Idle Test Interpretation Prioritizing Component Tests D147 Results Interpretation Establishing Priorities Are Other Problems Being Masked? Possible Causes of High HC Other Sources of HC Besides the Tailpipe HC Problems and Alternative Fuels Possible Causes of High CO Possible Causes of High NOx Possible Causes of High Diesel Opacity Performing Component Tests O2 Sensor Testing Snap-Throttle Test More Conclusive O2 Sensor Response Time Test Cross Counts Zirconia vs. Titania O2 Sensors Catalytic Converter Testing Before and After Sampling Guidelines For Acceptable Catalyst Efficiency Tips for Upstream Sampling Other Methods of Catalyst Testing Induction System Testing Induction System Basic Tests Air/Vacuum Leak Testing Ignition System Testing Ignition System Basic Tests Ignition Analyser/Oscilloscope Testing Crankcase Vapor Control System Testing Positive Crankcase Ventilation (PCV) Valve or Orifice Crankcase Pressure and Oil Contamination Evaporative Control System Testing Visual Inspection of EVAP System Components Functional Testing of EVAP System Components Fuel System Testing Carburettor (non-feedback) Tests Feedback Carburettor Tests Fuel Injection System Tests Other Fuel System Problems Propane or Natural Gas Fuel System Tests Air Injection System Testing EGR System Testing EGR System Basic Tests EGR Valves EGR Controls Engine Integrity Tests Power Balance Testing Compression Test and Cylinder Leakdown Test Combustion Chamber Deposits Chapter 8: Obtaining Technical Assistance Contacts At PVTT AirCare TechLine RepairNet Help Repair Centre Certification Technician Examination and Certification REI Review Program Policy Other Sources of Information and Assistance Chapter 9: Repair Cost Estimates The Importance Of Your Repair Cost Estimate What To Include In Your Repair Cost Estimate Revising Your Estimate Chapter 10: Repair Cost Limits Understanding Repair Cost Limits Why Repair Cost Limits Exist How The Repair Cost Limits Work Using Repair Cost Limits Examples Of How The Repair Cost Limits Apply Entire Repair Within Cost Limit Partial Repair Within Cost Limit No Repair Within Cost Limit Current Repair Cost Limits
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