Automotive Technology: Principles, Diagnosis, And Service (6th Edition) (halderman Automotive Series)
6th Edition
ISBN: 9780135257272
Author: James D. Halderman
Publisher: PEARSON
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Textbook Question
Chapter 25, Problem 7CQ
Technician A says that a stuck-open wastegate can cause the engine to bum oil. Technician B says that a clogged PCV system can cause the engine to bum oil. Which technician is correct?
- a. Technician A only
- b. Technician B only
- c. Both Technicians A and B
- d. Neither Technician A nor 8
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Chapter 25 Solutions
Automotive Technology: Principles, Diagnosis, And Service (6th Edition) (halderman Automotive Series)
Ch. 25 - What are the reasons why supercharging increases...Ch. 25 - Prob. 2RQCh. 25 - What are the advantages and disadvantages of...Ch. 25 - Prob. 4RQCh. 25 - Whit turbocharger control valves are needed for...Ch. 25 - The term volumetric efficiency refers to the...Ch. 25 - Boost pressure is generally measured in__________....Ch. 25 - Which valve is used on a factory supercharger to...Ch. 25 - How are most superchargers lubricated? a. By...Ch. 25 - How are most turbochargers lubricated? a. By...
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- Carbon deposits on the intake valve or seat may cause the valve not to close properly. Tech a says that the flywheel will be harder to spin when starting the engine. Tech b says that the engine will loose power. Who is correct?arrow_forwardTechnician A uses sandpaper to remove carbon deposits from turbocharger wastegate parts. Technician B scrapes off heavy deposits before attempting to clean the unit. Who is correct?arrow_forwardTechnician A says that the engine oil drain plug typically needs to be replaced with a new one at each oil change. Technician B says that engine oil drain plugs must be tightened with a torque wrench when they are installed. Who is correct? Select one: a. Technician A b. Technician B c. Both A and B d. Neither A nor Barrow_forward
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- the oil pressure light stay on whatever the engine fis running, and the oil pressure has been checked and it meet specifications: Technician A says that a ground in the circuit between the indicator light and the pressure switch could be the cause. Technician B says that an open in the pressure switch could be the cause. Who is correct?arrow_forwardIf oil pressure is higher than specifications: Select one: a. there may be excessive clearance in the engine bearings. b. the oil pump may be worn. c. the engine is noisy. d. the oil pressure regulator might be stickingarrow_forwardTechnician A says throttle pressure is controlled directly by the pressure regulator valve. Technician B says one of the primary purposes of the pressure regulator valve is to fill the torque converter with fluid. Who is correct? a. A only b. B only c. Both A and B d. Neither A nor Barrow_forward
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