ASE - Engine Performance Exam
Questions & Answers (Grade A+)
Magnetic pulse generators are used to provide a digital signal about
component speed or position. -
correct answer ✅False
A digital signal may be called a square-wave signal. -
correct answer ✅True
The manifold absolute pressure (MAP) sensor monitors engine
load. -
correct answer ✅True
A defective O2 sensor heater may cause reduced open loop time. -
correct answer ✅False
A defective vehicle speed sensor may cause improper torque
converter lockup. -
correct answer ✅True
A vehicle with throttle actuator control may use three throttle
position sensors. -
correct answer ✅True
,ASE - Engine Performance Exam
Questions & Answers (Grade A+)
The exhaust gas recirculation valve position sensor is a linear
potentiometer mounted on top of the EGR valve. -
correct answer ✅True
The knock sensor changes vibration to a frequency signal and sends
the signal to the computer. -
correct answer ✅False
Many modules have to be reprogrammed for the vehicle if they are
to be replaced. -
correct answer ✅True
Engines that have throttle actuator control require an idle air
control motor. -
correct answer ✅False
When checking a solenoid with an ohmmeter, there should be an
infinity reading on the meter if the solenoid is good. -
correct answer ✅False
,ASE - Engine Performance Exam
Questions & Answers (Grade A+)
If the computer activates a component or circuit by completing a
ground it is referred to as a feed side driver. -
correct answer ✅False
The idle air control motor works by varying the position of the
throttle plate. -
correct answer ✅False
The digital EGR is comprised of three solenoids that all flow
different amounts of EGR. -
correct answer ✅True
Many modern engines do not have adjustable ignition timing. -
correct answer ✅True
Networking smaller more specialized modules is more cost effective
than using one or two centralized complex modules. -
correct answer ✅True
The individual modules in a CAN system are sometimes called
nodes. -
correct answer ✅True
, ASE - Engine Performance Exam
Questions & Answers (Grade A+)
Modules on the serial bus that can initiate communication with
other modules on the serial data bus are called slaves. -
correct answer ✅False
A hot-range spark plug has a shorter heat path than a cold-range
spark plug. -
correct answer ✅False
The ignition system contains two electrical sides, the primary and
the secondary. -
correct answer ✅True
The secondary coil winding contains two hundred turns of heavy
wire. -
correct answer ✅False
Base or initial timing is timing with computer advance added. -
correct answer ✅False
Questions & Answers (Grade A+)
Magnetic pulse generators are used to provide a digital signal about
component speed or position. -
correct answer ✅False
A digital signal may be called a square-wave signal. -
correct answer ✅True
The manifold absolute pressure (MAP) sensor monitors engine
load. -
correct answer ✅True
A defective O2 sensor heater may cause reduced open loop time. -
correct answer ✅False
A defective vehicle speed sensor may cause improper torque
converter lockup. -
correct answer ✅True
A vehicle with throttle actuator control may use three throttle
position sensors. -
correct answer ✅True
,ASE - Engine Performance Exam
Questions & Answers (Grade A+)
The exhaust gas recirculation valve position sensor is a linear
potentiometer mounted on top of the EGR valve. -
correct answer ✅True
The knock sensor changes vibration to a frequency signal and sends
the signal to the computer. -
correct answer ✅False
Many modules have to be reprogrammed for the vehicle if they are
to be replaced. -
correct answer ✅True
Engines that have throttle actuator control require an idle air
control motor. -
correct answer ✅False
When checking a solenoid with an ohmmeter, there should be an
infinity reading on the meter if the solenoid is good. -
correct answer ✅False
,ASE - Engine Performance Exam
Questions & Answers (Grade A+)
If the computer activates a component or circuit by completing a
ground it is referred to as a feed side driver. -
correct answer ✅False
The idle air control motor works by varying the position of the
throttle plate. -
correct answer ✅False
The digital EGR is comprised of three solenoids that all flow
different amounts of EGR. -
correct answer ✅True
Many modern engines do not have adjustable ignition timing. -
correct answer ✅True
Networking smaller more specialized modules is more cost effective
than using one or two centralized complex modules. -
correct answer ✅True
The individual modules in a CAN system are sometimes called
nodes. -
correct answer ✅True
, ASE - Engine Performance Exam
Questions & Answers (Grade A+)
Modules on the serial bus that can initiate communication with
other modules on the serial data bus are called slaves. -
correct answer ✅False
A hot-range spark plug has a shorter heat path than a cold-range
spark plug. -
correct answer ✅False
The ignition system contains two electrical sides, the primary and
the secondary. -
correct answer ✅True
The secondary coil winding contains two hundred turns of heavy
wire. -
correct answer ✅False
Base or initial timing is timing with computer advance added. -
correct answer ✅False
