How to pass the ASE test: a seven-day plan
Pass an ASE test by learning its task list, practising the "Technician A, Technician B" method until it is automatic, and proving 70% on two timed mocks before you book. The seven-day plan below works for one test at a time; most technicians repeat it for each test they book.
- 7
- days per test
- 4
- steps to a two-technician answer
- 2
- mocks over 70% before booking
- 0
- blank answers
Last checked · Format facts from ASE's study guide (2026); the plan is ours
By the LifeScore Editorial Team · Updated · How we check facts · How this is scored
How do you study for an ASE test in a week?
One day to see where you stand, four days on the weak areas, one day on format and pace, and a final mock. An hour or two a day is enough for most working technicians.
- Day 1: take a full timed mock (the [free ASE practice test](/ase-practice-test)). Note the test and the content area of every miss.
- Day 2: read ASE's free study guide task list for your test and mark the tasks you do not do every week.
- Day 3: the weakest content area. Learn the rule behind each miss, then a 12-question drill.
- Day 4: the second-weakest area, the same way. Learn the formulas for your test (the table below).
- Day 5: two-technician questions only. Use the four-step method on every one until you stop reading the options first.
- Day 6: a drill at the real pace, then review every wrong answer and every lucky guess.
- Day 7: a second full mock. Book the test if you clear 70% on it; if not, repeat days 3 to 6 on the new weak area.
Everything the plan needs
Eight full ASE-style mocks, four drills for each of five tests and the printable study guide, for one payment.
The ASE Pass Pack gives you 8 full mocks on the real clock, 20 drills of 12 questions for the sections that cost you points, and a predictor that turns your mocks into the odds of reaching your target. One payment, no subscription, and your free score stays free.
Prep courses for these tests usually cost $19 to $129. The ASE Pass Pack is US$39 (£29), once.
- 8
- timed mocks
- 20
- topic drills
- 1
- score predictor
How do you answer Technician A and B questions?
Decide true or false for each statement on its own, then match: A only, B only, both or neither. Never read the options before you have judged both statements.
- Read the situation and underline the symptom or reading.
- Cover B and judge A: true or false for this situation.
- Cover A and judge B the same way.
- Match the pair to the option. True and true is "Both"; false and false is "Neither".
Two right statements can name two different causes: if both could produce the symptom, both are right. A statement with "always", "never", "only" or "proves" is usually wrong, because real diagnosis rarely works in absolutes.
ASE-style question 1 · Diagnosis
An engine has a steady miss. A cylinder leakage test on the dead cylinder shows 45% leakage, and air can be heard at the throttle body. Technician A says the intake valve is not sealing. Technician B says the piston rings are the cause. Who is right?
- AA only
- BB only
- CBoth A and B
- DNeither A nor B
Worked answer
A: A only. Where the air comes out tells you where it leaks. Air at the throttle body or intake means an intake valve; at the tailpipe, an exhaust valve; at the oil filler or PCV, the rings; bubbles in the coolant, a head gasket or crack.
- Air is heard at the throttle body.
- That path runs past an intake valve.
- Rings would vent into the crankcase, so B is wrong.
The trap: Treating a high percentage as proof of ring wear. The percentage says how bad; the sound says where.
What formulas are on ASE tests?
A handful, mostly on A1, A5, A6 and A8: displacement and compression ratio, hydraulic pressure and force, Ohm's law, and fuel trim and duty cycle. Each is short; the points are lost on setting them up.
| Rule | How it works | Test |
|---|---|---|
| Displacement | 0.7854 × bore² × stroke × number of cylinders (cubic inches); × 16.387 for cc | A1 |
| Compression ratio | (swept volume + clearance volume) ÷ clearance volume | A1 |
| Cylinder taper | Diameter at the top of ring travel − diameter at the bottom | A1 |
| Oil clearance | Bearing inside diameter − journal diameter (or read with Plastigage) | A1 |
| Total toe | Left toe + right toe; a car drifts toward more positive camber and less positive caster | A4 |
| Hydraulic pressure | Pressure = force ÷ area; output force = pressure × piston area | A5 |
| Rotor thickness variation | Thickest reading − thinnest reading around the rotor | A5 |
| Ohm's law | E = I × R; series resistances add; two in parallel give R1 × R2 ÷ (R1 + R2) | A6 |
| Battery load test | Half the CCA rating for 15 seconds; at least 9.6 V at about 70°F | A6 |
| Total fuel trim | Short-term + long-term; positive means the PCM is adding fuel for a lean condition | A8 |
| Injector duty cycle | Pulse width ÷ time for two crankshaft turns (120,000 ÷ rpm, in ms), sequential injection | A8 |
ASE-style question 1 · Hydraulics
A master cylinder piston has an area of 0.8 square inch and is pushed with 400 pounds. Each front caliper piston has an area of 4 square inches. What force does each caliper piston apply?
- A2,000 pounds
- B500 pounds
- C1,600 pounds
- D400 pounds
Worked answer
A: 2,000 pounds. Pressure = force ÷ area = 400 ÷ 0.8 = 500 psi, the same everywhere in the closed system. Caliper force = pressure × area = 500 × 4 = 2,000 pounds.
- Pressure: 400 ÷ 0.8 = 500 psi.
- Pressure is equal throughout the system.
- Force: 500 × 4 = 2,000 pounds.
The trap: Stopping at 500. That is the pressure in psi, not the force at the caliper.
ASE-style question 2 · Circuit basics
A 12-volt circuit has a 2 Ω resistor in series with two 6 Ω resistors that are in parallel with each other. What current flows from the battery?
- A2.4 A
- B0.86 A
- C6 A
- D1.5 A
Show the worked answer
A: 2.4 A. The two 6 Ω resistors in parallel give (6 × 6) ÷ (6 + 6) = 3 Ω. Add the 2 Ω in series: 5 Ω. I = E ÷ R = 12 ÷ 5 = 2.4 A.
- Parallel pair: 36 ÷ 12 = 3 Ω.
- Total: 3 + 2 = 5 Ω.
- Current: 12 ÷ 5 = 2.4 A.
The trap: Adding all three resistors (14 Ω, 0.86 A). Only resistors in series add.
How should I pace an ASE test?
Work at about one question a minute and a quarter, flag anything you cannot answer in two minutes, and come back to it. Answer every question before time runs out.
- A1 and A5: 55 questions in 75 minutes, about 82 seconds each.
- A4: 50 questions in 60 minutes, 72 seconds each.
- A6: 60 questions in 90 minutes, 90 seconds each.
- A8: 60 questions in 75 minutes, 75 seconds each.
- There is no penalty for a wrong answer, so never leave one blank.
Bring the ID your appointment confirmation names, and arrive early. The test center provides anything you are allowed to use.
What are the most common mistakes on ASE tests?
Reading the options before judging the statements, choosing a part replacement before a test, and half-remembering a rule that reverses the answer.
- Choosing "replace" when the question asks what to check first. ASE nearly always wants the test that confirms the fault.
- Mixing up camber and caster pulls (A4), spongy and hard pedals (A5), positive and negative fuel trims (A8).
- Adding parallel resistances (A6).
- Machining a rotor or drum past its limit (A5).
- Skipping "EXCEPT" in a question and choosing a true statement.
Which ASE test should I take first?
The one closest to your daily work. Many technicians start with A5 Brakes or A4 Suspension and Steering, then move to A1, A6 and A8.
55 questions in 75 minutes. General engine diagnosis; cylinder head and valve train; engine block; lubrication and cooling systems; fuel, electrical, ignition and exhaust checks an engine repair needs.
50 questions in 60 minutes. Steering systems (columns, gears, power steering, linkage, electric steering); suspension systems; wheel alignment diagnosis and adjustment; wheels and tires.
55 questions in 75 minutes. Hydraulic system; drum brakes; disc brakes; power assist; parking brakes, wheel bearings and electrical; ABS and electronic brake control.
60 questions in 90 minutes. General electrical diagnosis; battery; starting and charging systems; lighting; gauges and driver information; horn, wiper and accessories; body electronics and networks.
60 questions in 75 minutes. General engine diagnosis; ignition system; fuel, air induction and exhaust; emission control; computerized engine controls and OBD II.
A6 Electrical helps with A8 Engine Performance, because A8 leans on circuit diagnosis. If you plan both, study A6 first. How scoring works is on ASE passing score.
Frequently asked questions
How long should I study for an ASE test?
Is the ASE study guide free?
Can I pass ASE without experience?
Should I guess on ASE tests?
Follow the plan with real practice
Eight full ASE-style mocks, four drills for each of five tests and every answer explained, for one payment.
The ASE Pass Pack gives you 8 full mocks on the real clock, 20 drills of 12 questions for the sections that cost you points, and a predictor that turns your mocks into the odds of reaching your target. One payment, no subscription, and your free score stays free.
Prep courses for these tests usually cost $19 to $129. The ASE Pass Pack is US$39 (£29), once.
- 8
- timed mocks
- 20
- topic drills
- 1
- score predictor