Question

when performing a cranking sound diagnosis, you can put some vehicles into \clear flood mode\ by:
select one:
a. disconnecting one fuel injector at a time while the engine is idling.
b. with your foot on the brake, turn the key on, off, then immediately crank the engine.
c. with the key off, hold the throttle to the floor, then crank the engine.
d. disconnecting one ignition coil at a time while the engine is idling.

Explanation:

"Clear flood mode" is a way to start an engine that has been flooded (too much fuel in the cylinders). When the key is off and the throttle is held to the floor, it allows maximum air intake while cranking, which helps clear the excess fuel. Option a and d involve disconnecting components while the engine is idling which is not related to "clear flood mode". Option b's sequence of turning key on - off - crank is not the standard "clear flood mode" procedure.

Answer:

C. With the key off, hold the throttle to the floor, then crank the engine.