ASE Automobile & Light Truck Engine Repair (A1) Certification Test — Information & Free Practice
US · Examination information
200 free questions · Answer explanations · No signup required
ASE Automobile & Light Truck Engine Repair (A1) Certification Test
- Provider
- National Institute for Automotive Service Excellence
- Format
- Computer-based multiple-choice certification test
- Exam questions
- Total questions: 55; Scored questions: 45; Unscored questions: 10; The total includes the scored and unscored questions.
- Time limit
- 75 minutes
Examination outline
- General Engine Diagnosis (40%)
- Cylinder Head and Valve Train Diagnosis and Repair (13%)
- Engine Block Diagnosis and Repair (9%)
- Lubrication and Cooling Systems Diagnosis and Repair (18%)
- Fuel, Electrical, Ignition, Air Induction, and Exhaust Systems Diagnosis and Service (20%)
Examination sources
- ASE Automobile and Light Truck Certification Tests
Study Guides
- Official ASE Automobile Study Guide 2026
page 3, Introduction, scope control
- Official ASE Automobile Study Guide 2026
pages 5-7, Engine Repair (Test A1), complete Test Specifications and Task List
- Official ASE Automobile Study Guide 2026
page 4, A1 row under Certification Tests
- Official ASE Automobile Study Guide 2026
page 4, Certification Tests footnote
- ASE Automobile and Light Truck Certification Tests
3 Steps to ASE Testing
- ASE Automobile and Light Truck Certification Tests
Testing FAQs, registration and scheduling
Related license preparation
This examination may be required or accepted as an alternative, depending on the license and application pathway.