King of the Highway: The Ultimate Big Rig & Semi-Truck Operations Challenge

What is the main cause of the delay known as 'turbo lag' in a diesel rig?

60%

Correct!

Incorrect!

Turbo lag is the brief delay between pressing the accelerator and feeling the engine boost. It is caused by the time required for exhaust gas volume to build up enough kinetic energy to spin the turbine wheel of the turbocharger.

What is the main cause of the delay known as 'turbo lag' in a diesel rig?

Air dryer purge cycle delay

Time needed for exhaust gas to spin the turbine

The clutch pedal return spring resistance

Fuel pressure regulator response delay

60%