Which of the following would LEAST-Likely be used to check for internal air leaks before the engine is disassembled?
A) Smoke test
B) Cranking vacuum test
C) Compression test
D) Propane test

Question

Quizplus · Accepted Answer

A compression test primarily checks the condition of the engine's pistons, rings, and valves, which is more about the engine's ability to generate compression rather than detecting air leaks. Smoke tests, cranking vacuum tests, and propane tests are more directly related to finding air leaks.

Which of the Following Would LEAST-Likely Be Used to Check