Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Chapter 27, Problem 3SA
To determine
The types of spark plug fouling and their problems.
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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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- What is the main disadvantage of platinum spark plugs? corrode easily inferior conducting properties interfere with radio reception require higher voltagearrow_forwardWhat are the suggestions to prevent the occurrence of failures in car clutch?arrow_forwardWhat may be caused by improper engine and transmission mounts on FWD vehicles?arrow_forward
- What is the most common cause of leaking compression fittings? A. Cracked compression nut B. Overtightening the compression nut C. An improperly sized ring or ferrule D. Both A and C are common causes of fitting leakagearrow_forwardExplain the features of port and direct injectors and the different testing methods without removing the injectors from the vehicle. (60 - 100 words)arrow_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
- Question 8 Write any four harmful effects of vibration. A BI EE EE hparrow_forwardWhile 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 Barrow_forwardexplain the Factor of Safety ? include minimum and the maxarrow_forward
- Please select all that applies. The possible failure modes for bolted joints are: Oshear in the bolts bearning of the bolts on the connected material tension in the connected parts Otorsion in the connected partsarrow_forwardWhile discussing the common causes for cracks developing in a cylinder block or head: Technician A says that the chilling of a hot engine by a sudden rush of cold water or air over the surf ace may cause cracking. Technician B says that excessive overheating is a common cause. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_forwardWhile discussing the possible causes for a clunking noise duiing acceleration: Technician A says that an outer CV joint could be the cause. Technician B says that insufficient runout of the drive axle may be the cause of the problem. Who is correct? a. Technician A only b. Technician B only c. Both A and B d. Neither A nor Barrow_forward
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