G1 Auto Maintenance and Light Repair Practice Test

183 questions available

Build your confidence for G1 Auto Maintenance and Light Repair. Practice the concepts, understand the answers, and strengthen your knowledge one question at a time.

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Certification exam
55 Exam questions
Your practice
183 Practice questions
3 hours 3 minutes Practice Time
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Exam overview and details

The G1 Auto Maintenance and Light Repair exam is a comprehensive 46-question assessment designed to validate foundational knowledge and practical competency in essential automotive service. This exam tests a candidate's understanding of core systems and procedures required for routine vehicle upkeep and common repairs. It is specifically tailored for entry-level automotive technicians, service advisors seeking technical credibility, skilled DIY enthusiasts aiming to formalize their knowledge, and individuals pursuing ASE (Automotive Service Excellence) certification pathways. Successfully passing the G1 demonstrates a professional grasp of maintenance fundamentals, diagnostic procedures, and safe repair practices, establishing a critical baseline of competence recognized within the industry. It signifies that an individual possesses the theoretical knowledge to support hands-on work on brakes, steering, suspension, electrical, engine performance, and other vital vehicle systems.

Sample Questions

Choose an answer and explore the explanation to see how practice works.

Engine Systems

A new serpentine belt walks toward the edge of one pulley after installation. What should be checked?

Engine Systems

When pressure testing an engine cooling system, what pressure should be applied?

Engine Systems

A metallic rattle occurs only at idle and a loose exhaust heat shield is found. What should the technician do?

Engine Systems

A vehicle is serviced for an oil change and the oil life monitor still reads 8 percent after the oil and filter are replaced. What should the technician do next?

Engine Systems

A vehicle with a single-cylinder misfire has a worn spark plug with an excessive gap. What should be done?

Career Opportunities & Salary

Median salary: $50,620– Automotive Service Technicians and Mechanics

Source: BLS Occupational Employment and Wage Statistics, May 2025 -- Automotive Service Technicians and Mechanics (SOC 49-3023), US national. Occupation median, not a certification salary. (2025)

Automotive Service Technicians and Mechanics

Exam insights and study advice

Mastery of the content covered in the G1 exam translates directly to real-world safety, reliability, and cost-effectiveness. Technicians with this certification can accurately diagnose common issues, perform preventative maintenance that extends vehicle life, and execute repairs that ensure customer safety-particularly in critical systems like brakes and steering. For the individual, it builds confidence, reduces the risk of costly errors, and provides a structured foundation for career advancement. For employers and customers, it offers assurance of a standardized, professional level of knowledge, leading to higher quality service, increased trust, and improved operational efficiency in any automotive service setting.

These are the backgrounds the certifying body suggests. Check the vendor's own page for anything it formally requires.

What this exam covers

Use the published domain weights to plan your study. Practice results do not predict your certification exam score.

01Suspension and Steering

24%

02Brakes

20%

03Engine Systems

16%

04Electrical

15%

05Manual Drive Train and Axles

11%

06Automatic Transmission/Transaxle

7%

07Heating, Ventilation, and Air Conditioning

7%

Exam Details G1 | $30 USD

Exam Code G1
Vendor ASE
Exam Cost $30 USD
Exam questions 55
Question TypesMultiple Choice, Composite Vehicle Scenario (L-series)
Retake Policy 30-day waiting period between attempts. Full test fee required for retake. ASE registration fee applies per testing window.
Exam Format Linear (computer-based)
Online Proctoring Available
Available In
English

Frequently Asked Questions

Is the G1 exam all multiple-choice?

What score do I need to pass the G1 exam?

I'm a skilled DIYer but have no shop experience. Can I pass this exam?

How long should I study for the G1 exam?

Does passing the G1 make me ASE certified?