Scan Tools & Engine Perf Diagnosis

A freeze frame is stored when a type ________ DTC is set.

-A or B

-A or C

-B or C

-C or D

• A or B

• A or C

• B or C

• C or D

A paper test can be used to check for a possible problem with ________.

-The ignition system (bad spark plug wire)

-Faulty port on a multiport fuel injected engine

-A burned valve

-Any of these

• The ignition system (bad spark plug wire)

• Faulty port on a multiport fuel injected engine

• A burned valve

• Any of these

A type ________ DTC is set if an emission problem may cause damage to the catalytic converter.

-A

-B

-C

-D

• A

• B

• C

• D

All these actions involve verifying the problem EXCEPT ________.

-Look for aftermarket parts

-Determine the temperature the when problem occurred

-Check the MIL

-Look for TSB's

• Look for aftermarket parts

• Determine the temperature the when problem occurred

• Check the MIL

• Look for TSB's

How many steps does the book outline for a systematic diagnostic procedure?

-Eight

-Six

-Five

-Four

• Eight

• Six

• Five

• Four

Technician A assumes a replacement part is good just because it is new. Technician B says that sometimes recent repair work will be the cause of a complaint. Which technician is correct?

• Tech A

• Tech B

• Both Tech's A and B

• Neither Tech

Technician A says that a power balance test is the best way to isolate a problem cylinder. Technician B says that a compression and cylinder leakage test can help determine the cause of the problem. Which technician is correct?

• Tech A

• Tech B

• Both Tech's A and B

• Neither Tech

Technician A says that a standard spark plug can be used to check proper ignition system voltage. Technician B says that the energy required to jump the gap of a spark tester is around 3000 volts. Which technician is correct?

• Tech A

• Tech B

• Both Tech's A and B

• Neither Tech

Technician A says that a symptom may be corrected without correcting the cause of the problem. Technician B says that verifying the repair will determine if the root cause of the problem has been repaired. Which technician is correct?

• Tech A

• Tech B

• Both Tech's A and B

• Neither Tech

Technician A says that a vehicle may have stored DTCs even if the MIL is not illuminated. Technician B says that all DTCs will illuminate the MIL. Which technician is correct?

• Tech A

• Tech A

• Both Tech's A and B

• Neither Tech