Physics, 18.12.2019 22:31, Gtx014

Technician a states that if a vacuum gauge is hooked up to an intake manifold while the engine is idling the needle should bounce for each intake stroke of the pistons. technician b states that if the needle on the vacuum gauge is bouncing it indicates a mechanical problem with the valve train. who is correct?
a. tech a only
b. tech b only
c. both tech a and b
d. either tech a and b

Answers: 3

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Technician a states that if a vacuum gauge is hooked up to an intake manifold while the engine is id...