Home Compare ASE L1 vs ASE L2

Exam Comparison

ASE L1 vs ASE L2

Comparing the ASE Advanced Engine Performance Specialist (L1) and the ASE Electronic Diesel Engine Diagnosis Specialist (L2). Both fall under Skilled Trades. Both are covered by the Trades Cert Exam Prep: ASE, NHIE, Electrician & Plumber app.

ASE L1 Overview → ASE L2 Overview →

ASE L1 vs ASE L2: At a Glance

Detail ASE L1 ASE L2
Full Name ASE Advanced Engine Performance Specialist (L1) ASE Electronic Diesel Engine Diagnosis Specialist (L2)
Governing Body ASE ASE
Number of Questions 50 50
Time Limit 75 minutes 60 minutes
Passing Score Not disclosed Not disclosed
Exam Fee $36 USD $36 USD
Category Skilled Trades Skilled Trades
C3RT App Trades Cert Exam Prep: ASE, NHIE, Electrician & Plumber Soon Trades Cert Exam Prep: ASE, NHIE, Electrician & Plumber Soon

Content Areas Compared

ASE L1 Domains

  • Ignition System Diagnosis
  • Fuel System Diagnosis
  • Emission Control System Diagnosis
  • Exhaust Gas Analysis
  • Computer and On-Board Diagnostics

ASE L2 Domains

  • Electronic Diesel Engine Diagnosis
  • Fuel System Diagnosis and Repair
  • Air Induction and Exhaust Systems
  • Starting and Charging System Diagnosis

Frequently Asked Questions

What is the difference between ASE L1 and ASE L2?

The ASE L1 (ASE Advanced Engine Performance Specialist (L1)) is administered by ASE and consists of 50 questions. The ASE L2 (ASE Electronic Diesel Engine Diagnosis Specialist (L2)) is administered by ASE and consists of 50 questions. Both are Skilled Trades credentials.

Can I take both the ASE L1 and the ASE L2?

Yes, the ASE L1 and ASE L2 are separate credentials with separate eligibility requirements. Each is awarded by a different governing body (ASE and ASE respectively). Check the official requirements for each before registering.

Which should I take first, ASE L1 or ASE L2?

The right sequence depends on your career goals and current credentials. The ASE L1 is offered by ASE with a passing score of Not disclosed, while the ASE L2 is offered by ASE with a passing score of Not disclosed. Review the eligibility requirements for each with the respective governing bodies before deciding.

Does C3RT cover both the ASE L1 and the ASE L2?

C3RT is building apps for both the ASE L1 and the ASE L2. Both will be available on iOS and Mac.

The ASE Advanced Engine Performance Specialist (L1) (ASE L1) is administered by ASE. The ASE Electronic Diesel Engine Diagnosis Specialist (L2) (ASE L2) is administered by ASE. C3RT is not affiliated with either organisation. Certification names and trademarks are the property of their respective owners.