Automotive Technology
Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Chapter 26, Problem 10ASRQ

While discussing spark plugs: Technician A says that too narrow of a spark plug gap can cause a rough idle and premature wear of the electrodes. Technician B says that a spark plug with the wrong reach can cause preignition. Who is correct?

a. Technician A

b. Technician B

c. Both A and B

d. Neither A nor B

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If the spark line is totally flat, is longer than 2 ms, and is less than 500 volts, there is a good chance that __________ .
20. Technician A says that an ignition system must generate sufficient voltage to force a spark across the spark plug gap. Technician B says that the ignition system must time the arrival of the spark to coincide with the movement of the engine's pistons and vary it according to the operating conditions of the engine. Who is correct? O a. Technician A O b. Technician B c. Both A and B O d. Neither A nor B
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