Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Chapter 27, Problem 2ASRQ
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The technician with correct approach.
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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?
How to adjust the timing by using timing light
Explain preignition
Explain detonation/knocking
List the advantages of having one ignition coil percylinder.
Chapter 27 Solutions
Automotive Technology
Ch. 27 - Prob. 1SACh. 27 - Name the three types of trace pattern display...Ch. 27 - Prob. 3SACh. 27 - List at least two methods of checking the...Ch. 27 - Prob. 5SACh. 27 - What is the typical procedure for checking the...Ch. 27 - What does a slope in the spark line represent?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 - True or False? Coil secondary resistance is...
Ch. 27 - True or False? On some engines, if the gap between...Ch. 27 - Richer air-fuel mixtures. a. decrease 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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- An open winding or a shorted winding can be determined with which of the following instruments? A. Voltmeter B. Ammeter C. Ohmmeterarrow_forwardWhy is the procedure for checking the resistance of awaste spark ignition coil different from the proceduresfor checking other types of ignition coils?arrow_forwardDescribe the differences between an overrunning alternator pulley and an alternator decoupler pulley.arrow_forward
- What safety precautions should be taken when starting a large electric motor whose coupling is disconnected?arrow_forwardExplain how the plugs fire in a two-plug-per-coil DIS system.arrow_forwardWhile discussing secondary voltage: Technician A says that the normal required secondary voltage is higher at idle speed than at wide open throttle conditions. Technician B says that the maximum available secondary voltage must always exceed the normally required secondary voltage. Who is correct?arrow_forward
- DIFFERENTIATE THE ALTERNATOR USED IN AUTOMOBILE COMPARE TOGENERATING PLANT?arrow_forwardA pneumatic power system will usually have a return line a. True b. Falsearrow_forwardWhile discussing ignition timing requirements: Technician A says that more advanced timing is desired when the engine is under a heavy load. Technician B says that more advanced timing is desired when the engine is running at high engine speeds. Who is correct?arrow_forward
- While discussing a no-crank condition: Technician A says to verify the condition of the batten' before testing the starter motor Technician B says a scan tool may be used to check starter control circuit operation. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_forwardQuestion: What controls the instroke of a Single-Acting Cylinder? Note: -NO PLAGIARISM PLEASE. -200 words or more.arrow_forward. Explain how the plugs fire in a two-plug-per-coilDIS system.arrow_forward
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