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Author Question: Why must flat-bottom lifter camshafts be broken in at a fast idle? (Read 466 times)

Frost2351

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Question 1

Which computer sensor should be replaced to help ensure that the engine will be operating at the correct air-fuel ratio?
◦ Throttle position sensor
◦ Oxygen sensor
◦ Manifold absolute pressure sensor
◦ Engine coolant temperature sensor

Question 2

Why must flat-bottom lifter camshafts be broken in at a fast idle?
◦ The cam in a cam-in-block engine is only lubricated by splash oil
◦ The flat-bottom of the lifters must become slightly concave in order to rotate
◦ Both A and B are correct
◦ Neither A nor B are correct


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Marked as best answer by Frost2351 on Aug 13, 2021

verrinzo

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Ty Bradley

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