Engine performance Exam 2 Questions
and Answers Rated A
The primary (low-voltage) ignition system must be working correctly before any spark occurs
from a coil. Which component is NOT in the primary ignition circuit? ✔✔Spark plug wiring
A reluctor is a ________. ✔✔Notched ring or pointed wheel
The ignition module has direct control over the firing of the coil(s) of an EI system. Which
component(s) triggers (controls) the module? ✔✔Pick up coil
HEI and EIS are examples of ________. ✔✔Distributor ignition systems
Coil polarity is determined by the ________. ✔✔Direction of rotation of the coil windings
Because of ________, an ignition coil cannot be fully charged (reach magnetic saturation) until
after a delay of about 10 ms. ✔✔Inductive reactance
The pulse generator ________ ✔✔Signals the computer that fires the spark plug directly
, Two technicians are discussing distributor ignition. Technician A says that the pickup coil or
optical sensor in the distributor is used to pulse the ignition module (igniter). Technician B says
that some distributor ignition systems have the ignition coil inside the distributor cap. Which
technician is correct? ✔✔Both tech distributor ignition
A waste-spark-type ignition system ________. ✔✔Fires one spark lug with reverse polarity
Fires one spark plug with straight polarity
Fires two spark plugs at the same time
An ion-sensing ignition system allows the ignition system itself to be able to ________.
✔✔Detect rich or lean air-fuel mixture
Detect spark knock
Detect misfire
Technician A says that a defective crankshaft position sensor can cause a no-spark condition.
Technician B says that a faulty ignition control module can cause a no-spark condition. Which
technician is correct? ✔✔Both tech no-spark condtion
and Answers Rated A
The primary (low-voltage) ignition system must be working correctly before any spark occurs
from a coil. Which component is NOT in the primary ignition circuit? ✔✔Spark plug wiring
A reluctor is a ________. ✔✔Notched ring or pointed wheel
The ignition module has direct control over the firing of the coil(s) of an EI system. Which
component(s) triggers (controls) the module? ✔✔Pick up coil
HEI and EIS are examples of ________. ✔✔Distributor ignition systems
Coil polarity is determined by the ________. ✔✔Direction of rotation of the coil windings
Because of ________, an ignition coil cannot be fully charged (reach magnetic saturation) until
after a delay of about 10 ms. ✔✔Inductive reactance
The pulse generator ________ ✔✔Signals the computer that fires the spark plug directly
, Two technicians are discussing distributor ignition. Technician A says that the pickup coil or
optical sensor in the distributor is used to pulse the ignition module (igniter). Technician B says
that some distributor ignition systems have the ignition coil inside the distributor cap. Which
technician is correct? ✔✔Both tech distributor ignition
A waste-spark-type ignition system ________. ✔✔Fires one spark lug with reverse polarity
Fires one spark plug with straight polarity
Fires two spark plugs at the same time
An ion-sensing ignition system allows the ignition system itself to be able to ________.
✔✔Detect rich or lean air-fuel mixture
Detect spark knock
Detect misfire
Technician A says that a defective crankshaft position sensor can cause a no-spark condition.
Technician B says that a faulty ignition control module can cause a no-spark condition. Which
technician is correct? ✔✔Both tech no-spark condtion
