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Mini quiz · Lesson 07
How to Diagnose a No-Start
Question 01 / 06
A single click when turning the key usually means:
Question 02 / 06
How do you check fuel pump operation without a gauge?
Question 03 / 06
If the engine cranks but won't start, you check:
Question 04 / 06
A customer's car cranks but won't start. You have spark and fuel pressure. What's a likely cause being ignored?
Question 05 / 06
You tap the starter with a wrench while a helper cranks and the engine fires up. What did you just confirm?
Question 06 / 06
CASE: A car cranks normally, has fuel pressure, has spark, no codes. Compression test shows 30 psi on all cylinders (should be ~150). What's the likely root cause?
0 / 6 answered