Take This Quiz To Find Out If You’re A Car Engine Expert!

What does the camshaft do?

Retry Correct Incorrect The camshaft in internal combustion engines is an elliptically shaped lobe that controls when the inlet and exhaust valves open and close. This determines the engine’s performance, peak horsepower, and more.

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What does the camshaft do?

• It opens the inlet and exhaust valves
• It lets air into the combustion chamber
• It ignites the compressed air/fuel mixture
• It sprays fuel into the intake manifold