Free ASE A1 - Engine Repair Exam Questions and Answers
ASE A1 - Engine Repair is part of ASE certification tests from the National Institute for Automotive Service Excellence (ASE). ASE tests certify a technician in one specific repair speciality, are taken at Prometric centres or online with a proctor, and stay valid for five years.
The first 10 questions on this page are free to read, answers included — no account and no card. A plan opens the rest of the bank, the full timed practice test and your weak-topic reporting.
Last updated: August 29, 2026
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Question #1
A technician finds an engine that is hard to start and runs rough. What should the technician check first?
Please select an optionIncorrectCorrect answer: C
A low fuel pressure can cause hard starting and rough running engine conditions. Checking fuel pressure first can help isolate the issue faster.
Was this answer correct?Question #2
After replacing a timing belt, a technician notices the engine is making noise. What is a likely cause?
Please select an optionIncorrectCorrect answer: D
If a timing belt is not tensioned correctly, it may create noise due to slippage or excessive movement, which can lead to further engine issues.
Was this answer correct?Question #3
An engine runs poorly after a recent head gasket replacement. What could be the reason?
Please select an optionIncorrectCorrect answer: C
If air pockets remain in the cooling system after a head gasket replacement, it can lead to overheating and poor engine performance. Proper bleeding of the system should be conducted after such repairs.
Was this answer correct?Question #4
A customer reports that their car vibrates during acceleration. What should the technician inspect first?
Please select an optionIncorrectCorrect answer: B
Worn or damaged engine mounts can cause vibrations during acceleration as they are responsible for stabilizing the engine. Inspecting them first could help resolve the issue quickly.
Was this answer correct?Question #5
A customer complains about a loud knocking noise from their engine. Which diagnosis is MOST likely?
Please select an optionIncorrectCorrect answer: C
A knocking noise typically points to issues with the crankshaft bearings, which can lead to severe engine damage if not addressed.
Was this answer correct?Question #6
What should a technician do if the engine will not crank over?
Please select an optionIncorrectCorrect answer: B
A non-cranking engine is often due to electrical issues, such as a discharged or faulty battery, so checking battery voltage is crucial first.
Was this answer correct?Question #7
If an engine exhibits unusual exhaust smoke during acceleration, what could be the problem?
Please select an optionIncorrectCorrect answer: C
Unusual exhaust smoke during acceleration often indicates worn piston rings, which allows oil to enter the combustion chamber, burning and producing smoke.
Was this answer correct?Question #8
A car is running lean. What could be a cause?
Please select an optionIncorrectCorrect answer: B
A clogged fuel filter restricts fuel flow, causing a lean condition where the engine receives too much air relative to fuel.
Was this answer correct?Question #9
A technician discovers that an engine is consuming too much oil. What is the first step to diagnose?
Please select an optionIncorrectCorrect answer: C
Checking for leaks should be the first step when diagnosing excessive oil consumption, as it could indicate an external leak.
Was this answer correct?Question #10
During a performance test, a technician finds the engine is misfiring. What should they check first?
Please select an optionIncorrectCorrect answer: A
Checking the ignition timing is critical as misfires can stem from incorrect timing, leading to poor engine performance.
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Other ASE certifications
- ASE P2 - Automobile Parts Specialist (opens in a new tab)
- ASE T3 - Drive Train (opens in a new tab)
- ASE A4 - Suspension and Steering (opens in a new tab)
- ASE T7 - Heating, Ventilation, and Air Conditioning (HVAC) (opens in a new tab)
- ASE T4 - Brakes (opens in a new tab)
- ASE L2 - Electronic Diesel Engine Diagnosis Specialist (opens in a new tab)
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FAQ
Learn More: https://apse.org/
- Q1: What is the ASE A1 - Engine Repair exam?
- A: ASE A1 - Engine Repair is a APSE certification exam. Judging by the questions in our bank, it concentrates on engine, technician, acceleration, idle and exhaust.
- Q2: What topics does the ASE A1 - Engine Repair exam cover?
- A: Questions in our ASE A1 - Engine Repair bank cluster around engine, technician, acceleration, idle, exhaust, knocking, smoke and coolant. Working through the full set is the quickest way to find which of these you are weakest on.
- Q3: How should I prepare for ASE A1 - Engine Repair?
- A: Work through the ASE A1 - Engine Repair practice questions here, checking your answer on each one, then sit the practice test to rehearse the exam under timed conditions before the real thing.
- Q4: Are these real ASE A1 - Engine Repair exam questions?
- A: They are drawn from officially released past questions and from community members who have sat ASE A1 - Engine Repair. Answers are verified and updated weekly.
- Q5: Where do I register for the ASE A1 - Engine Repair exam?
- A: Register through APSE directly at https://apse.org/. Exampractice is not affiliated with APSE and does not administer the exam.
- Q6: Is there a free ASE A1 - Engine Repair sample?
- A: Yes. Every ASE A1 - Engine Repair page shows a free sample of real questions. Upgrading opens the full bank and the practice test.
- Q7: What are APSE Certification Exams?
- A: APSE (Association of Professional Sales Engineers) Certification Exams validate your expertise in sales engineering, demonstrating your skills in technical sales, customer relationship management, and effective communication of complex technical solutions.
- Q8: Why should I pursue APSE Certification?
- A: APSE Certification enhances your professional credibility, showcasing your proficiency in sales engineering. This can lead to better job opportunities, higher salaries, and career advancement in the technical sales and engineering fields.
- Q9: What are the benefits of APSE Certification?
- A: Benefits include recognition as a certified sales engineer, improved job performance, access to exclusive resources, continuing education opportunities, and the ability to stay current with the latest industry trends and best practices.
- Q10: Who should take APSE Certification Exams?
- A: Sales engineers, technical sales professionals, account managers, and anyone involved in selling technical products or solutions should consider these certifications to validate their expertise and advance their careers.
- Q11: What types of APSE Certification Exams are available?
- A: APSE offers various certification paths, including Certified Professional Sales Engineer (CPSE) and other specialized certifications tailored to different aspects of sales engineering and technical sales.
- Q12: How do I prepare for APSE Certification Exams?
- A: Preparation can include official APSE training courses, study guides, practice exams, online tutorials, and hands-on experience in sales engineering and technical sales.
- Q13: Where can I take APSE Certification Exams?
- A: APSE Certification Exams can be taken online or at authorized testing centers, providing flexibility to fit your schedule and location.
- Q14: How do APSE Certifications impact my career?
- A: APSE Certifications significantly boost your career by demonstrating your expertise to employers, making you a more competitive candidate for advanced roles and promotions in technical sales and engineering.
- Q15: Are there any prerequisites for APSE Certification Exams?
- A: Some exams may have prerequisites, such as foundational knowledge or prior certifications. Check the specific requirements for each certification path on the APSE website.
- Q16: How often do I need to recertify for APSE Certifications?
- A: APSE Certifications typically require continuing education and recertification every three years to ensure that certified professionals stay updated with the latest industry practices and standards.