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Level 3 LV07 (Engines)

Authored by Peter Faiers

Other

1st - 12th Grade

Used 825+ times

Level 3 LV07 (Engines)
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12 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a typical diesel idle pressure?

1500-2000 PSI

2500 - 3000 PSI

3500 - 4000 PSI

4500 - 5000PSI

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The mass air flow sensor contains a module that heats a wire. What happens to the wires temperature and resistance when air flows over said wire?

Both increase

Temp increase, resistance decreases

Temp decreases, resistance increase

Both decrease

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

what is the throttle body Assembly position measured by

ECU

Electronic Throttle plate

Idle control device

potentiometer

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is pulse width modulation?

how much fuel comes out of the injector

The period the injector is open

order of each injector opening

all of the above

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How would you test the fuel rail delivery line when you receive a open loop on the multimeter

set the multimeter to 12 volts and test it as is

isolate the fuel rail and start measuring from the start of the rail to the end of the fuel system until you get a reading

run a continuity test on the wires from the fuel pump

replace with a new fuel rail

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens if injectors are not coded?

Non start

running but lumpy

no problems will occur

All of the above

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which one of the following components is located on the 'high pressure' side of the diesel fuel injection system?

Fuel pump

Fuel tank

Common Rail

Fuel filter

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