Question 1

Technician A says the inertia switch has a reset button that must be depressed for at least one second before the pump will operate again. Technician B says the inertia switch is triggered by the ABS control module. Who is correct?

Accepted Answer

A)  A only
B)  B only
C)  both A and B
D)  neither A nor BE) C) and D)
F) None of the above

Question 2

Name the two types of threaded fuel line fittings.

Accepted Answer

Compressio...

Question 3

Most current fuel pumps are installed inside the fuel tank.

Accepted Answer

A) True 
 B)False

Question 4

OBDII evaporative system integrity testing is being discussed. Technician A says the integrity check is done by creating a vacuum in the tank and measuring how well it holds the vacuum. Technician B says the fuel tank pressure (FTP) sensor is a transducer that converts the absolute pressure in the fuel tank into an input for the PCM. Who is correct?

Accepted Answer

A)  A only
B)  B only
C)  both A and B
D)  neither A nor BE) All of the above
F) B) and D)

Question 5

Which of the following is a typical fuel filter replacement interval?

Accepted Answer

A)  30,000 miles (48,280 km) 
B)  100,000 miles (160,000 km) 
C)  50,000 miles (80,470 km) 
D)  15,000 miles (24,140 km) E) None of the above
F) A) and C) A

Question 6

Gas cap testing is being discussed. Technician A says the tester applies twenty inches of vacuum to the cap and measures its rate of leakage. Technician B says if the wrong adapter was used, the cap will fail the test even if it is good. Who is correct?

Accepted Answer

A)  A only
B)  B only
C)  both A and B
D)  neither A nor BE) All of the above
F) A) and C)

Question 7

All modern fuel tanks can only be filled to 90 percent of their capacity.

Accepted Answer

A) True 
 B)False  True

Question 8

What controls [turns on and off] the fuel pump on most late-model vehicles?

Accepted Answer

The answer of What controls [turns on and off] the...

Question 9

The fuel pump check valve is normally located in the fuel rail.

Accepted Answer

A) True 
 B)False

Question 10

A no start/no fuel pressure condition is being diagnosed. When a test light is connected to the pump positive terminal, there is no voltage when the engine is cranked by the starter. What could cause this problem?

Accepted Answer

A)  defective neutral safety switch
B)  bad fuel pump ground
C)  defective fuel pressure regulator
D)  defective fuel pump relayE) A) and D)
F) B) and D)

Question 11

Copper tubing can be used to replace steel tubing for fuel lines.

Accepted Answer

A) True 
 B)False

Question 12

Fuel pumps should be tested for ____________________ and ____________________.

Accepted Answer

pressure, ...

Question 13

Fuel lines are being discussed. Technician A says when installing flexible tubing, always use new clamps. Technician B says ordinary rubber hose may be used to replace a kinked steel fuel line. Who is correct?

Accepted Answer

A)  A only
B)  B only
C)  both A and B
D)  neither A nor BE) C) and D)
F) All of the above

Question 14

In what direction must the arrow printed on a fuel filter face?

Accepted Answer

In the dir...

Question 15

A scan tool can be used to turn on the fuel pump when the engine is not running.

Accepted Answer

A) True 
 B)False  True

Question 16

During its evaporative system integrity test, the canister vent solenoid is open to vent the entire evaporative system.

Accepted Answer

A) True 
 B)False

Question 17

On a modern common rail diesel (DI) direct injection system fuel pressure is typically ______ psi.

Accepted Answer

A)  26
B)  260
C)  2,600
D)  26,000E) B) and C)
F) A) and D)

Question 18

A restricted fuel filter will cause ____________________ than normal fuel pressure.

Accepted Answer

The answer of A restricted fuel filter will cause ____________________...

Question 19

Technician A says the gas cap is equipped with a pressure release valve that opens if there is excess vapor pressure in the fuel tank. This prevents tank ballooning. Technician B says the gas cap is equipped with a vacuum relief valve that opens if there is an excessive amount of vacuum in the fuel tank. This prevents tank collapse. Who is correct?

Accepted Answer

A)  A only
B)  B only
C)  both A and B
D)  neither A nor BE) All of the above
F) None of the above

Question 20

All fuel tanks have a liquid vapor separator.

Accepted Answer

A) True 
 B)False

Exam 29: Fuel Delivery Systems

Technician A says the inertia switch has a reset button that must be depressed for at least one second before the pump will operate again. Technician B says the inertia switch is triggered by the ABS control module. Who is correct?

Correct Answer
verified

Name the two types of threaded fuel line fittings.

Correct Answer
verified
Compressio...
View Answer

Most current fuel pumps are installed inside the fuel tank.

Correct Answer
verified

Correct Answer
verified

Which of the following is a typical fuel filter replacement interval?

Correct Answer
verified
A

Gas cap testing is being discussed. Technician A says the tester applies twenty inches of vacuum to the cap and measures its rate of leakage. Technician B says if the wrong adapter was used, the cap will fail the test even if it is good. Who is correct?

Correct Answer
verified

All modern fuel tanks can only be filled to 90 percent of their capacity.

Correct Answer
verified
True

What controls [turns on and off] the fuel pump on most late-model vehicles?

Correct Answer
verified

The fuel pump check valve is normally located in the fuel rail.

Correct Answer
verified

A no start/no fuel pressure condition is being diagnosed. When a test light is connected to the pump positive terminal, there is no voltage when the engine is cranked by the starter. What could cause this problem?

Correct Answer
verified

Copper tubing can be used to replace steel tubing for fuel lines.

Correct Answer
verified

Fuel pumps should be tested for and .

Correct Answer
verified
pressure, ...
View Answer

Fuel lines are being discussed. Technician A says when installing flexible tubing, always use new clamps. Technician B says ordinary rubber hose may be used to replace a kinked steel fuel line. Who is correct?

Correct Answer
verified

In what direction must the arrow printed on a fuel filter face?

Correct Answer
verified
In the dir...
View Answer

A scan tool can be used to turn on the fuel pump when the engine is not running.

Correct Answer
verified
True

During its evaporative system integrity test, the canister vent solenoid is open to vent the entire evaporative system.

Correct Answer
verified

On a modern common rail diesel (DI) direct injection system fuel pressure is typically ______ psi.

Correct Answer
verified

A restricted fuel filter will cause ____________________ than normal fuel pressure.

Correct Answer
verified

Correct Answer
verified

All fuel tanks have a liquid vapor separator.

Correct Answer
verified

Exam 29: Fuel Delivery Systems

Technician A says the inertia switch has a reset button that must be depressed for at least one second before the pump will operate again. Technician B says the inertia switch is triggered by the ABS control module. Who is correct?

Correct AnswerverifiedShow Answer

Name the two types of threaded fuel line fittings.

Correct AnswerverifiedCompressio...View AnswerShow Answer

Most current fuel pumps are installed inside the fuel tank.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which of the following is a typical fuel filter replacement interval?

Correct AnswerverifiedA

Gas cap testing is being discussed. Technician A says the tester applies twenty inches of vacuum to the cap and measures its rate of leakage. Technician B says if the wrong adapter was used, the cap will fail the test even if it is good. Who is correct?

Correct AnswerverifiedShow Answer

All modern fuel tanks can only be filled to 90 percent of their capacity.

Correct AnswerverifiedTrue

What controls [turns on and off] the fuel pump on most late-model vehicles?

Correct AnswerverifiedShow Answer

The fuel pump check valve is normally located in the fuel rail.

Correct AnswerverifiedShow Answer

A no start/no fuel pressure condition is being diagnosed. When a test light is connected to the pump positive terminal, there is no voltage when the engine is cranked by the starter. What could cause this problem?

Correct AnswerverifiedShow Answer

Copper tubing can be used to replace steel tubing for fuel lines.

Correct AnswerverifiedShow Answer

Fuel pumps should be tested for ____________________ and ____________________.

Correct Answerverifiedpressure, ...View AnswerShow Answer

Fuel lines are being discussed. Technician A says when installing flexible tubing, always use new clamps. Technician B says ordinary rubber hose may be used to replace a kinked steel fuel line. Who is correct?

Correct AnswerverifiedShow Answer

In what direction must the arrow printed on a fuel filter face?

Correct AnswerverifiedIn the dir...View AnswerShow Answer

A scan tool can be used to turn on the fuel pump when the engine is not running.

Correct AnswerverifiedTrue

During its evaporative system integrity test, the canister vent solenoid is open to vent the entire evaporative system.

Correct AnswerverifiedShow Answer

On a modern common rail diesel (DI) direct injection system fuel pressure is typically ______ psi.

Correct AnswerverifiedShow Answer

A restricted fuel filter will cause ____________________ than normal fuel pressure.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

All fuel tanks have a liquid vapor separator.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified
Compressio...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
A

Correct Answer
verified

Correct Answer
verified
True

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Fuel pumps should be tested for and .

Correct Answer
verified
pressure, ...
View Answer

Correct Answer
verified

Correct Answer
verified
In the dir...
View Answer

Correct Answer
verified
True

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified