Engine Sensors and Computer Controls

8/17/2019 Engine Sensors and Computer Controls

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5. Which of the followingsensors measures the

temperature of the air entering the engine for

combustion?

A. air charge sensor ACS

B. exhaust gas recirculation EGR sensor

C. knock sensor

D. mass airflow MAF sensor

E. throttle position sensor TPS

6. Which of the followingsensors reports engine speed

and the position of the number one piston?

A. air change sensor ACS

B. barometric pressure BAP sensor

C. crankshaft position sensor

D. throttle position sensor TPS

E. vehicle speed sensor VSS

7. Which of the followingsensors monitors the oxygen

content of the exhaust gases?


B. barometric pressure BAP sensor

C. exhaust gas recirculation EGR sensor

D. -mass airflow MAF sensor

E. oxygen

02

sensor

8. Which of the followingsensors measures pressure

inside the intake manifold?

A. crankshaft position sensor

B. distributor reference sensor

C. manifold absolute pressure MAP sensor

D. oxygen

02

sensor


9. Which of the followingsensors reports how fast the

vehicle is moving?



C. mass airflow MAF sensor



y

be photocopied for student use

TEACHER MATERIALS - Engine Performance Special ist

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OB JECT IVE 3

10. Which of the followingsensors reports vibrations in the

engine?

A. barometric pressure

BAP

sensor

B. distributor reference sensor

C. knock sensor

D. manifold absolute pressure MAP sensor


11. Which of the followingsensors reports engine speed

rpm ?

A. distributor reference sensor





Match the names of common sensors to illustrations of the

sensors Choose the letter of the correct answer that identifies

the given illustration.

12.

Copyright

©

General Motors Corp. Used with permission.

A. barometric pressure BAP sensor

B. crankshaft position sensor


D. manifold absolute pressure

MAP

sensor

E. mass airflow MAF sensor

ay be photocopied for student use


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13.

Used wi th permission of Ford Motor Co.


B. camshaft position sensor

C. crankshaft position sensor

D. knock sensor

E. oxygen

02

sensor

14.

Copyright

©


A. coolant temperature sensor CTS

B. knock sensor


D. oxygen

02

sensor


15.

Used with permission of Ford Motor Co.

A. coolant temperature sensor CTS

B. knock sensor


D. oxygen

02

sensor



TEACHER MATERIALS· Engine Performance Special is t

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16.







17.

Copyright

©


A. camshaft position sensor

B. crankshaft position sensor

C. coolant temperature sensor CTS

D. oxygen 02 sensor



TEACHER MATERIALS En gine Perfo rm an ce S pe cialist

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18.

Used with permission of Ford Motor Coo


B. coolant temperature sensor CTS


D. oxygen 02 sensor


19.


B. camshaft position sensor


D. manifold absolute pressure MAP sensor

E. mass airflow MAF sensor


TEACHER MATERIALS - Engine Performance Specialist

WRITTEN TEST -

CIMC

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O BJ ECT IVE 4

20.


A. camshaft position sensor





Match the names of common control devices to the engine

functions they control

21. Which of the followingcommon control devices allows a

controlled amount of exhaust gas to return to the

intake manifold, thereby reducing combustion

temperature and emissions?

A. carbon canister purge valve

B.

exhaust gas recirculation valve

C. fuel injector

D. idle air control lAC valve

22. Which of the following common control devices adjusts

spark timing?

A. electronic spark control ESC module

B. exhaust gas recirculation valve

C. fuel injector


y be photocopied for student use

TEACHER MATERIALS - Engine Petiormance Specialist

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O BJ EC TIV E 5

23. Which of the following common control devices adjusts

airflow to increase engine idle speed?

A. engine cooling fan


C. fuel injector

D. idle air control IAC valve

24. Which of the followingcommon control devices releases

fuel vapors to the intake manifold when a richer air-

fuel mixture is required?


B. electronic spark control

ESe

module

C. exhaust gas recirculation valve

D. fuel injector

Matchthe names of common control devices to illustrations

of the devices

Choose the letter of the correct answer that

identifies the given figure.

25.

A. engine cooling fan


C. fuel injector



T E AC H ER M A TE R IA LS E ng in e P er io rm a nc e S pe cia lis t

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26.


B. electronic spark control ESC module

C. exhaust gas recirculation valve

D. fuel injector

27.



C. fuel injector


ay bephotocopied for student use

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O BJ ECT IVE 6

·

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1

28.



C. idle air control lAC valve

D. fuel injector

List information that can be monitored by an engine

computer analyzer

29. Which of the following is NOTinformation that can be

monitored by an engine computer analyzer?

A. electrical information

B. engine speed

C. engine temperature

D. exhaust pressure

E. fuel pressure

30. Which of the following is NOT information that can be

monitored by an engine computer analyzer?

A. engine vacuum available to engine vacuum-operated

devices

B. ignition system operations

C. makeup of engine exhaust

D. makeup of fuel

E. operating condition of the engine systems



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OB JECT IVE 7

OB JECTIVE 8

Name the types of engine computer analyzers shown in

illustrations

Used with permiss ion of DaimlerChrys ler Corp.

31. True or False: The figure shown above is a referred to

as an engine computer n lyzer

true

B. false

Compare and contrast the features of engine computer

analyzers and scan tools

32. True or False: Engine computer analyzers usually have

a single hookup.

true

B. false

33. True or False: Engine computer analyzers test a variety

of data and not only the engine computer.

true

B

false

34. True or False: Only scan tools are able to draw con-

clusions from the data monitored they have diagnostic

charts and test procedures stored in their memory .

true

B. false



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O B JE CTIV E 9

35. True or False: Both engine computer analyzers and

scan tools can be updated with new software.

true

B. false

36. True or False: Only the engine computer analyzer is

handheld.

true

B. false

37. True or False: Scan tools are AC-powered.

true

B. false

38.

True or False: Scan tools may cost considerably more

than engine computer analyzers.

true

B. false

9 True or False: Scan tools usually require a separate

printer to provide a paper printout.

true

B. false

40. True or False: Engine computer analyzers can only be

used when test -driving the vehicle.

A. true

B. false

41. True or False: Both engine computer analyzers and

scan tools contain a full screen of information.

A. true

B. false

Evaluated on Job Sheet



WRITTEN TEST - CIMC - 6 - 54

Engine Sensors and Computer Controls

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