Your Progress
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
A9: Light Vehicle Diesel Engines
Want to pass your ASE A9 Light Vehicle Diesel Engines certification on your first try? Our full-length ASE A9 Diesel Engine Practice Test replicates the real test format and challenges your knowledge of diesel engine systems.
Why choose Easy Prep's ASE A9 full-length practice test?
- Full-length test with 60+ questions
- Timed environment to replicate real exam pressure
- Realistic diesel-specific ASE-style questions
Key topics covered
- General diesel engine diagnosis
- Cylinder head, valve train, and engine block repair
- Fuel systems (mechanical and electronic)
- Air induction, turbocharging, and exhaust systems
- Diesel emission control systems
- Starting and charging systems
- Diesel-specific performance issues
This practice test helps you build confidence and competence with diesel engine diagnostics and repairs, matching the real-world knowledge needed for ASE A9 success. Want to go beyond A9? Explore our ASE practice test for every major ASE certification exam.