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ASE 101 Tips
Technician
- Automotive
  - Brakes
  - Chassis & Steering
  - Drivetrain
  - Electrical
  - Engine
    - Hybrid/EV
    - Gas
    - Diesel
  - Fuel & Emissions
  - HVAC
  - Tires & Wheels
  - Tools & Equipment
  - ASE Test Prep
- Heavy Duty
Service Advisor
- Automotive Basics
- Sales Skills
Owners & Managers
Parts Professional
Manufacturer Content
- Autel
- BBB Industries
- BCA NTN
- Bosch
- Cardone
- Cloyes
- Dayco
- Delphi
- Denso
- Dorman
- DRiV
- FCS
- East Penn Deka
- Gates
- Hella
- KYB
- Nexus
- NGK/NTK
- Powerstop
- Schaeffler
- Schrader
- TrakMotive
- SKF
- Standard Motor Products
- Valvoline
- Walker

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Catalyst Efficiency [Quick Quiz]

January 31, 2023

Test your knowledge about catalyst performance, construction and efficiency with this quick quiz!

Catalyst Efficiency [Quick Quiz]

Why do OE grade catalysts use a higher number of wash coats?
- To save on costs
- Improved 02 sensor performance
- For good longevity
- It's mandated
What is the substrate material composed of in a catalyst?
- Wire mesh
- Ceramic
- Palladium
- Copper
What was the precious material primarily made up of in the past?
- Gold
- Silver
- Platinum
- Copper
The primary difference between a Federal Catalyst vs a California Catalyst is
- Sales region
- Precious metal surface area
- Number of wash coats
- Manufacturing location
When a flex fuel vehicle is using E85 fuel the Catalyst Monitor may be suspended.
- True
- False

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