Automotive Technology: A Systems Approach (MindTap Course List)
6th Edition
ISBN: 9781133612315
Author: Jack Erjavec, Rob Thompson
Publisher: Cengage Learning
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Chapter 27, Problem 2RQ
To determine
The reason behind the difference between the checking procedure of waste spark ignition coil and other types of ignition coils.
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How spark advance mechanisms works in mechanical ignition system and what are its shortcomings?
Reach, heat range, and air gap are all characteristics that affect the performance of which ignition system component?
a. Ignition coils
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The following statement is made about an ignition system: tech a says that the greater the speed of the magnets rotating past a the ignition coil, the greater the voltage will be induced into the ignition coil. Tech b says that the primary windings produce a higher voltage than the secondary winding. Who is correct?
Chapter 27 Solutions
Automotive Technology: A Systems Approach (MindTap Course List)
Ch. 27 - Name the three types of stress testing used to...Ch. 27 - Prob. 2RQCh. 27 - Name the three types of trace pattern display...Ch. 27 - Prob. 4RQCh. 27 - List at least two methods of checking the...Ch. 27 - What happens if one of the ground electrodes of a...Ch. 27 - True or False? The first test when checking a...Ch. 27 - Richer air-fuel mixtures. a. decrease the...Ch. 27 - Prob. 9RQCh. 27 - What does a slope in the spark line represent?
Ch. 27 - True or False? On some engines, if the gap between...Ch. 27 - What is the typical procedure for checking the...Ch. 27 - While checking a pickup coil with an ohmmeter, a...Ch. 27 - A CKP sensor can be checked with all of the...Ch. 27 - Which of the following will cause one or more, but...Ch. 27 - Prob. 1ASRQCh. 27 - Prob. 2ASRQCh. 27 - Prob. 3ASRQCh. 27 - Technician A says that EMI can affect sensor...Ch. 27 - While discussing waste spark EI systems:...Ch. 27 - While discussing how to test a Hall-effect...Ch. 27 - While discussing the possible causes for a...Ch. 27 - Prob. 8ASRQCh. 27 - While discussing EI service and diagnosis:...Ch. 27 - While discussing engine misfire diagnosis:...
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- What is the typical procedure for checking the resistance of the primary winding in an ignition coil?arrow_forwardWhich of the following is the typical output voltage of the ignition transformer? A. 24 V B. 200,000 V C. 115 v D. 10,000 Varrow_forwardWhy is high voltage needed to establish a spark across the gap of a spark plugarrow_forward
- Consider the following statements relevant to the ignition system of SI engine: 1. Too small a dwell angle will lead to the burning of condenser and contact points. 2. Too small a dwell angle will result in misfiring. 3. Too large a dwell angle will result in burning of condenser and contact points. 4. Too large a dwell will result in mistiring. Which of these statements are correct?arrow_forwardDi ignition systems are capable of producing higher electrical energy than the DIS ignition systems. true or falsearrow_forwardTitle True or False? A spark plug with two ground electrodes will provide two separate sparks when fired.. Description True or False? A spark plug with two ground electrodes will provide two separate sparks when fired. Why is high voltage needed to establish a spark across the gap of a spark plug? List the advantages of having one ignition coil per cylinder. Which of the following is a function of all ignition systems? a. To generate sufficient voltage to force a spark across the spark plug gap b. To time the arrival of the spark to coincide with the movement of the engine’s pistons c. To vary the spark arrival time based on varying operating conditions d. All of the abovearrow_forward
- What is the coil-to-air temperature relationship for an average coil where dehydration is not a factor?arrow_forwardIn El systems using one ignition coil for every two cylinders: Technician A says that two plugs fire at the same time with the same voltage used by each spark plug. Technician B says that one plug fires in the normal direction (center to side electrode) and the other in reversed polarity (side to center). Who is correct? a. Technician A b. Technician B c. Both A and B d. Neither A nor Barrow_forwardList the advantages of having one ignition coil percylinder.arrow_forward
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