1.
A customer says the engine cranks normally but will not start. Which system should be checked first?
2.
During a brake inspection, one front brake pad is worn much more than the pad on the opposite side. What is the most likely cause?
3.
A vehicle pulls to the right only while braking. Which condition should be inspected first?
4.
Technician A says a fully charged 12-volt battery should read about 12.6 volts with the engine off. Technician B says charging voltage is commonly higher when the engine is running. Who is correct?
5.
A fuse blows again immediately after being replaced. What should the technician do next?
6.
A vehicle has excessive play in the steering wheel. Which component group should be inspected first?
7.
A tire shows heavy wear on both outer edges. Which condition is the most likely cause?
8.
An engine overheats at idle, but cools down when the vehicle is moving. What should be checked first?
9.
Technician A says low engine oil level can cause engine damage. Technician B says oil pressure should be verified with proper testing when the warning light is on. Who is correct?
10.
A scan tool shows a misfire code for cylinder 3. Which diagnostic approach is best?
11.
A vehicle’s brake pedal slowly sinks while steady pressure is applied. Which condition is most likely?
12.
The A/C system is not cooling well. The compressor clutch does not engage. Which basic check should be performed early?
13.
A customer reports a sweet smell inside the cabin and the windshield fogs when the heater is on. What is the most likely cause?
14.
An automatic transmission delays engagement when shifted into Drive. Which item should be checked first?
15.
A front-wheel-drive vehicle clicks repeatedly during sharp turns under acceleration. Which component is most likely worn?
16.
A manual transmission clutch slips under load. Which condition could cause this?
17.
Technician A says diagnostic trouble codes identify the circuit or system where a fault was detected. Technician B says codes always identify the exact failed part. Who is correct?
18.
A vehicle has a rough idle and a hissing sound near the intake manifold. What should be suspected?
19.
A brake rotor has pedal pulsation complaints during braking. Which condition is commonly associated with this symptom?
20.
A vehicle bounces excessively after hitting a bump. Which component is most likely weak or worn?
21.
A starter makes a rapid clicking sound and the engine does not crank. Which check should be performed first?
22.
A charging system warning light is on while the engine is running. Which component should be tested?
23.
Before disconnecting an A/C refrigerant line for service, what must be done?
24.
A technician is lifting a vehicle on a shop lift. What is the most important first step?
25.
A vehicle has poor fuel economy, hesitation, and a contaminated air filter. What should be done first?
