ASE L1 Practice Questions - ASE L1 Advanced Engine Performance Specialist Certification Exam

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A technician is diagnosing a repeated coolant loss condition with no visible external leaks. A cooling system pressure test holds pressure. What should be the NEXT diagnostic step?

Replace the radiator cap Perform a combustion leak test on the cooling system Add UV dye to the coolant and inspect with black light Replace the water pump

Correct Answer:

Perform a combustion leak test on the cooling system

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