At the top of this page, you will find a button that gives you full access to the ASE A8 practice exam. Further down the page, you will find comprehensive practice tests for the ASE A8. As you navigate through these exams, you will be able to tell your strong points and also get to know the ones that need a little bit more attention. 

To further help you with the areas that you have selected, we have special quizzes that concentrate on those specific areas of the ASE A8 exam, which will enable you to focus on the particular areas that require more attention.

ASE A8 Domain Exams

The ASE A8 exam, also known as the Engine Performance exam, is a certification test for automotive technicians specializing in engine performance. This exam covers various aspects of engine diagnostics and repair. 

Here’s a breakdown of the different areas of the ASE A8 exam:

ASE A8 General Diagnosis Practice Exam

  • Percentage of the exam: 24%
  • Number of Questions: 12
  • Focus: It includes questions related to the diagnosis of engine mechanical, electrical, and ignition problems. It tests the technician’s ability to diagnose issues that affect engine performance without disassembling the engine.

Welcome to your ASE A8 Domain 1: General Diagnosis

ASE A8 Ignition System Diagnosis and Repair Practice Exam 

  • Percentage of the exam: 16%
  • Number of Questions: 8
  • Focus: It focuses on the ignition system, including spark plugs, ignition wires, coils, distributor, and related components. Technicians are tested on their ability to diagnose and repair issues related to the ignition system.

Welcome to your ASE A8 Domain 2: Ignition System Diagnosis and Repair

ASE A8 Fuel, Air Induction, and Exhaust Systems Diagnosis and Repair Practice Exam 

  • Percentage of the exam: 18%
  • Number of Questions: 9
  • Focus: It covers the fuel system, air induction system, and exhaust system. 
  • It includes questions on fuel injectors, fuel pumps, air filters, and exhaust components, among others.

Welcome to your ASE A8 Domain 3: Fuel, Air Induction and Exhaust Systems Diagnosis and Repair

ASE A8 Emissions Control Systems Diagnosis and Repair Practice Exam 

  • Percentage of the exam: 16%
  • Number of Questions: 8
  • Focus: It deals with the vehicle’s emissions control systems, including EGR valves, PCV valves, catalytic converters, and EVAP systems. Technicians are tested on their knowledge of diagnosing and repairing emissions-related issues.

Welcome to your ASE A8 Domain 4: Emissions Control Systems Diagnosis and Repair

ASE A8 Computerized Engine Controls Diagnosis and Repair Practice Exam 

  • Percentage of the exam: 26%
  • Number of Questions: 13
  • Focus: It focuses on the computer systems that control the engine, including sensors, actuators, and the Engine Control Unit (ECU). It tests the technician’s ability to diagnose and repair issues related to computerized engine controls.

Welcome to your ASE A8 Domain 5: Computerized Engine Controls Diagnosis and Repair

Exam DomainPercentage# of QuestionsDescription
General Diagnosis24%12Diagnosis of engine mechanical, electrical, and ignition problems.
Ignition System Diagnosis and Repair16%8Focus on ignition system including spark plugs, wires, coils, distributor.
Fuel, Air Induction, and Exhaust Systems Diagnosis and Repair18%9Covers fuel system, air induction, and exhaust system components.
Emissions Control Systems Diagnosis and Repair16%8Deals with emissions control systems like EGR valves, PCV valves, catalytic converters.
Computerized Engine Controls Diagnosis and Repair26%13Focus on computer systems controlling the engine, including sensors, actuators, ECU.

Other Important Details:

  • Total Number of Questions: The ASE A8 exam typically consists of 50-60 multiple-choice questions.
  • Exam Duration: The test duration is usually around 1.5 hours.
  • Passing Score: ASE uses a scaled score system; the passing score can vary but is generally around 70%.
  • Certification Validity: ASE certifications are valid for five years. Technicians need to retest to maintain their certification.
  • Preparation: It’s recommended that technicians have hands-on experience and review study materials or take practice tests before attempting the exam.

This breakdown provides an overview of the ASE A8 exam’s structure and content. It’s important for technicians to thoroughly prepare for each domain to increase their chances of passing the exam and earning their certification.

ASE A8 Exam Breakdown

The ASE A8 Exam is part of the ASE (Automotive Service Excellence) certification process, specifically focusing on Engine Performance. ASE certification is widely recognized in the automotive repair and service industry in the United States. Here’s a breakdown of the ASE A8 Exam:

Overview of ASE A8 Exam: Engine Performance

  • Purpose: The A8 exam tests the knowledge and skills related to engine performance, including diagnosis and repair of systems like ignition, fuel, emissions, and computerized engine controls.
  • Format:
    • Number of Questions: Usually contains 40-50 multiple-choice questions.
    • Duration: Typically, the time allotted is 1-2 hours.
    • Passing Score: Varies, but a score of 70% is generally considered passing.
  • Content Areas:
    • General Engine Diagnosis
    • Ignition System Diagnosis and Repair
    • Fuel, Air Induction, and Exhaust Systems Diagnosis and Repair
    • Emissions Control Systems Diagnosis and Repair
    • Computerized Engine Controls Diagnosis and Repair
  • Eligibility: Generally, you need hands-on work experience in engine performance or a combination of formal training and experience.
  • Preparation:
    • Study Guides: ASE offers official study guides and practice tests.
    • Training Programs: Many technical schools and community colleges offer courses designed to prepare for the ASE A8 exam.
  • Recertification: ASE certifications are valid for five years. Technicians must retake the exam to maintain their certification.
  • Benefits of Certification:
    • Professional Recognition: ASE certification is a mark of professionalism in the industry.
    • Career Advancement: Often leads to better job opportunities and higher pay.
    • Skill Validation: Confirms your expertise and knowledge in engine performance.

How to become ASE A8 certified

  • Understand the ASE Certification Tests: ASE offers 58 certification tests covering various aspects of automotive repair and service. The A8 test is part of the Automobile & Light Truck Certification Tests (A Series).
  • Registration: You must register and pay in advance to take ASE tests. Test Preparation: ASE provides resources for test preparation and training. 
  • Work Experience: To become ASE certified, you must pass an ASE test and have relevant hands-on work experience. The amount of work experience required varies by test.
  • Find a Test Center: Locate a test center near you to take the ASE A8 test. 
  • Master Technician Status: Achieving certification in all required testing areas for a series earns you Master Technician status. For example, technicians certified in tests A1 through A8 are Master Automobile Technicians.
  • Maintaining Certification: Master Technician status is not for life. You must keep each certification current to maintain this status.

Our Experience Teaching ASE A8 Candidates To Pass The Exam

Teaching the ASE (Automotive Service Excellence) A8 Certification, particularly from a lecturer’s perspective, involves a blend of theoretical knowledge and practical application. 

This is a rich experience with both challenges and satisfying moments. Our educational journey has been shaped by the differing exam subjects, and our unique student’s needs, all aimed at ensuring each one of them succeeds in their exams. 

Here are several key aspects that have shaped our teaching journey:

  • Comprehensive Knowledge of Engine Performance: As the A8 certification focuses on engine performance, the lecturer must have an in-depth understanding of engine systems, including fuel, ignition, emissions, and computer systems.
  • Curriculum Development: Developing a curriculum that covers all the necessary topics for the A8 certification is crucial. This includes lessons on diagnostic procedures, understanding of electrical and electronic systems, and emission control systems.
  • Practical Demonstrations and Hands-On Training: While theoretical knowledge is important, practical skills are crucial for ASE certification. The lecturer needs to provide hands-on demonstrations and facilitate workshops where students can practice their skills on actual vehicles or simulators.
  • Use of Diagnostic Tools and Equipment: Familiarity with the latest diagnostic tools and equipment is essential. Lecturers must teach students how to effectively use these tools to diagnose and rectify engine performance issues.
  • Preparing Students for the Exam: The lecturer should focus on preparing students for the ASE A8 certification exam. This includes familiarizing them with the exam format, types of questions, and effective test-taking strategies.
  • Staying Updated with Industry Standards: Automotive technology is constantly evolving. Therefore, staying updated with the latest industry trends and technologies is important for the lecturer to provide current and relevant information to the students.
  • Assessment and Feedback: Regular assessment and constructive feedback are important to ensure students are on the right track and to identify areas where they might need additional support or study.
  • Ethical and Professional Standards: Teaching about the importance of ethical practices and professionalism in the automotive industry is also a crucial component of the program.
  • Industry Connections: Ideally, the lecturer should also facilitate connections with the automotive industry, such as guest speakers or internship opportunities, to provide students with real-world insights and networking opportunities.
  • Understanding the ASE A8 Content: The ASE A8 certification focuses on Engine Performance. As a lecturer, it’s crucial to have a deep understanding of topics like engine repair, ignition systems, fuel systems, exhaust systems, and emission control systems. This also includes understanding diagnostic procedures and the use of diagnostic tools.
  • Encouraging Critical Thinking: Encouraging students to think critically and troubleshoot effectively is important. This involves teaching them to diagnose and solve complex automotive problems, which is a key skill for any automotive technician.
  • Use of Technology in Teaching: Utilizing modern teaching aids and technology, such as interactive software, online resources, and simulation tools, can enhance the learning experience and make complex concepts easier to understand.
  • Personal Development: As a lecturer, continuously improving teaching methods, attending professional development courses, and staying engaged with the automotive community are important for personal growth and effectiveness in teaching.

Overall, teaching the ASE A8 certification requires a combination of technical expertise, effective teaching strategies, and a commitment to student success.

The team at Career Employer has meticulously developed this ASE A8 certification practice test. Drawing from their deep expertise in ASE A8 exam preparation, our team has successfully coached over a thousand auto technicians to pass the official ASE A8 certification exam.

The team comprises seasoned mechanics with over a decade of specialized manual drive train experience, our team brings a wealth of knowledge to this project. We offer multiple versions of the practice exam, each customized to accommodate various learning needs and preferences.

ASE A8 Effective Study Strategies Methods

To effectively prepare for the ASE A8 Engine Performance exam, you can utilize a combination of study guides, practice tests, and effective study strategies. 

Here are some resources and tips:

  • Prepare early, avoid cramming: It’s recommended to start your preparation early and avoid cramming. Break your study time into smaller segments for better retention. Note-taking and paraphrasing difficult concepts in your own words can also be very helpful. Setting a regular study schedule and using workbooks and the internet for additional research is advised. 
  • Official ASE Study Guides and Practice Tests: The National Institute for Automotive Service Excellence (NIASE) provides free study guides for each certification area, including the A8 exam. These guides are available in PDF format on their website. ASE also offers online practice tests for a fee, with discounts for bulk purchases. The practice tests are half the length of the actual exam and provide feedback on your performance​​.
  • Third-Party Websites: Many aftermarket websites and programs offer ASE test prep assistance. While NIASE doesn’t endorse any specific program, they maintain a list of companies on their website. It’s important to read reviews and testimonials before choosing one​​.
  • Motor Age Training: Motor Age Training provides an ASE A8 Engine Performance study guidebook and practice test, which includes a detailed task list for the exam, step-by-step explanations, and examples. The guide is available for purchase in various formats, including spiral-bound book and e-books​​.
  • Vehicle Service Pros: Another resource for the ASE A8 study guide and practice test is provided by Vehicle Service Pros. The guide covers essential topics like General Diagnosis, Ignition System Diagnosis and Repair, and more​​.

These resources should provide a comprehensive approach to studying for the ASE A8 exam, covering both theoretical knowledge and practical test-taking strategies.


Fee TypeCost
Registration Fee$34
Test Fee (A8 Exam)$53
Recertification Test Fee Cap$159
Maximum Recertification Cost (per order)$193
ASE Renewal App Subscription$48/year

The cost of obtaining ASE A8 certification, including study, training, exams, and post-exam fees, involves several components:

These costs are an investment in your professional development as a technician. Achieving ASE Master Mechanic certification can lead to increased pay and career advancement opportunities.

  • Registration Fee: $34, paid with each order.
  • Test Fee for A8 Exam: $53.
  • Recertification Test Fees: Same as initial certification, with a cap of $159 for multiple recertification tests in a single order. The most anyone would pay for recertification in a single order is USD 193, regardless of the number of tests.
  • ASE Renewal App: For those certified in A1-A9, there is an option to subscribe to the ASE Renewal App for $48/year, which allows for recertification through monthly questions sent to a mobile device.

Additional costs related to study materials, training, and post-exam fees can vary widely depending on the resources and training providers chosen. The ASE website offers test prep and training resources, but specific costs for these services are not detailed in the provided information.

Reliable Study Materials and Resources

Here are some of the best online resources to help you prepare for the ASE A8 certification exam:

  • ASE Study Guides – Automotive Service Excellence: ASE provides detailed study guides for each test series, including sample questions and suggestions for further preparation. These guides can be a valuable resource for understanding the format and content of the ASE A8 exam.
  • ASE A8 Practice Test Kit: This resource offers expert-written practice material that covers the actual exam topics with fully explained answers, helping you prepare for success.
  • Motor Age Training – ASE Test Prep – A8 Engine Performance: This study guide and practice test by Motor Age Training provides the necessary knowledge and know-how to successfully take and pass the ASE A8 Engine Performance test.
  • iPrep: Provides a comprehensive overview of the ASE A1-A8 certification tests, including test content areas and sample questions. This can be especially useful for understanding the structure and type of questions to expect in the exam​​.
  • Vehicle Service Pros: Features the ASE A8 Engine Performance study guidebook and practice test by Motor Age Training. This guide includes detailed information and step-by-step explanations on topics relevant to the ASE A8 certification exam, as well as a practice test for self-assessment​​.
  • Provides a comprehensive set of ASE certification practice tests and quizzes, designed to prepare students and technicians for the ASE exams. The site also features detailed explanations for both correct and incorrect answers, enhancing understanding and retention of key concepts​​.
  • AVI OnDemand: Offers online ASE Test Prep courses packed with solid information and hands-on procedures based on the ASE Task Lists. The courses include practice quizzes and tests, useful illustrations, and test-taking tips​​.
  • YouTube Video – ASE A8 Engine Performance – Test Advice & Study Guide: This video discusses the ASE A8 test, focusing on emissions systems and troubleshooting problems related to emissions components. It suggests taking practice tests, reviewing wrong answers, and researching and watching videos on those areas until you fully understand them. The video also recommends revisiting practice tests as an important step.
  • Free ASE A8 Practice Test (2023) Engine Performance – This website offers a 20-question ASE A8 Certification Practice Quiz to gauge your test preparation or reinforce the material studied in the guide.
  • ASE A-8 Engine Performance Test Prep [2022] – YouTube: Another YouTube video that might help prepare for the ASE A8 exam.

These resources cover a range of study materials, practice tests, and guides, offering a comprehensive approach to preparing for the ASE A8 certification exam.

Tips for Exam Day

To excel in the ASE A8 exam, consider the following tips based on information from various sources:

  • Familiarize Yourself with Question Formats: The ASE A8 exam includes different question types, such as direct or completion, True/False (Technician A or B), and Except and Least Likely questions. Practice these formats to understand how to approach and answer them efficiently. This practice can help build your test-taking stamina and reduce stress associated with the format of the test​​.
  • Approach to Answering Questions: During the exam, eliminate answers that are obviously incorrect and focus on the relevant ones. It’s important not to dwell too long on any one question. If unsure, make your best guess and move on, possibly returning to it if time permits. Answer every question, as not answering guarantees zero chances of getting it right​​.
  • Review and Understand Illustrations: About 10% of the questions on an ASE exam will use illustrations. Study these carefully before attempting to answer the and associated questions. Understand how the depicted system works before looking at the possible answers​​.
  • Time Management: Don’t spend too much time on any one question. If unsure, mark it for review and move on. Often, other questions on the test can provide insights that help with difficult ones​​.
  • Answer Every Question: There’s a chance of getting it right even if you’re not sure. Use the process of elimination to increase your odds​​.
  • Stay Updated with Study Materials: Investing in the latest study guides is beneficial as older versions may not fully prepare you for the current format of the test​​.

Remember, while knowledge of the subject matter is crucial, understanding the test format and developing good test-taking strategies are equally important for success in the ASE A8 exam.

The Best CFA Exam Study Materials

After completing the ASE A8 exam, here are some post-exam strategies and next steps:

  • Review Exam Performance: If your exam results indicate areas of weakness, focus on these areas in your further studies or practical work.
  • Engage with Online Forums: Forums such as the Automotive Management Network​​ provide a platform for discussions among professionals. Engaging in these forums can provide insights from peers and experts, which can be valuable for understanding complex topics or gaining new perspectives.
  • Continuous Learning and Training: ASE certification is an ongoing process. Stay updated with the latest trends and technologies in engine performance. Regular training, whether through online resources, workshops, or seminars, can be beneficial.
  • Utilize ASE Resources: ASE offers various resources for preparation and continuous learning. Motor Age Training, for example, provides comprehensive study guides and practice tests​​. These resources are excellent for both exam preparation and keeping your knowledge up to date.
  • Plan for Recertification: ASE certifications are valid for five years. Planning for recertification well in advance ensures you stay certified without interruption. This includes keeping track of certification expiry dates and scheduling study time for recertification exams.
  • Networking and Professional Development: Engage in networking opportunities with other ASE certified professionals. This can lead to professional growth and staying informed about best practices in the industry.
  • Join Professional Groups: Being part of professional groups or associations related to automotive service excellence can provide additional resources, support, and learning opportunities.
  • Stay Informed About Test Changes: Keep yourself updated on any changes to the ASE test format or content. This information can typically be found on the ASE website or through professional forums and networks.
  • Apply Knowledge Practically: Try to apply your knowledge in real-world scenarios. Practical application of what you’ve learned can deepen your understanding and improve your skills.
  • Seek Feedback and Mentorship: Reach out to experienced professionals for feedback on your work and guidance. Mentorship can play a crucial role in professional development and career advancement.

Remember, the key to success in ASE certification and your career as a technician is continuous learning and staying engaged with the automotive community.


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  2. ASE Certification Training. “ASE Test Prep, Study Guide, Tips & Tricks.” ASE Certification Training,
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  4. Motor Age Training. “ASE Test Prep A8 Engine Performance.” Motor Age Training,
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  14. Free ASE Study Guides. “Study Tips for ASE Certification.” Free ASE Study Guides,
  15. Pocket Prep. “Taking the ASE A Series? Here’s What You Need to Know.” Pocket Prep,
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  18. UTI Blog. “Mechanic Path to ASE Certification.” UTI,
  19. Vehicle Service Pros. “Tips and Tricks for ASE Certification Test Taking.” Vehicle Service Pros,
  20. Vehicle Service Pros. “Motor Age Training ASE Test Prep A8 Engine Performance Certification.” Vehicle Service Pros,
  21. YourMechanic. “How to Obtain an A8 ASE Study Guide and Practice Test.” YourMechanic,
  22. YouTube. “ASE A8 Engine Performance Test – YouTube.” YouTube,
  23. YouTube. “ASE A8 Engine Performance Test Preparation – YouTube.” YouTube,
  24. ASE-A8 Engine Performance Test Prep with Dave Hobbs – AVI OnDemand 

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