Automotive Technology: A Systems Approach (MindTap Course List)
6th Edition
ISBN: 9781133612315
Author: Jack Erjavec, Rob Thompson
Publisher: Cengage Learning
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Textbook Question
Chapter 31, Problem 11RQ
How can you use a dual trace scope to make sure that the injectors are firing at the correct time?
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Technician A says that when using a flare-nut wrench, two wrenches must often be used. Technician B says to use an open-end wrench on fuel fittings. Who is right?
injector cleaning is being discussed. technician A uses a wire brush to clean the tips of the injectors. technician B soaks the injectors in cleaning solvent. who is correct?
Name the parts of a fuel injector.
Chapter 31 Solutions
Automotive Technology: A Systems Approach (MindTap Course List)
Ch. 31 - List four service precautions for working on the...Ch. 31 - What is indicated by a LTFT reading of 24 percent?Ch. 31 - What is the correct procedure for checking an...Ch. 31 - What is the difference between STFT and LTFT?Ch. 31 - The PCM checks for a closed throttle plate each...Ch. 31 - Which of the following is a likely cause of a lean...Ch. 31 - What problem may result from dirt buildup on an...Ch. 31 - Which of the following would not cause a...Ch. 31 - What is the correct way to test an injector with...Ch. 31 - What is the difference between the pulse width and...
Ch. 31 - How can you use a dual trace scope to make sure...Ch. 31 - What are three possible problems that can allow...Ch. 31 - What is the purpose of having two accelerator...Ch. 31 - What is indicated by a negative LTFT value?Ch. 31 - True or False? The signals from an air-fuel ratio...Ch. 31 - While discussing the causes of...Ch. 31 - While discussing IAC valve diagnosis: Technician A...Ch. 31 - While discussing IAC motor removal, service, and...Ch. 31 - While discussing injector testing: Technician A...Ch. 31 - While discussing airflow sensors: Technician A...Ch. 31 - While discussing scan tool diagnosis of fuel...Ch. 31 - While discussing a high idle speed problem:...Ch. 31 - While discussing the causes of a rich air-fuel...Ch. 31 - While diagnosing an idle speed problem: Technician...Ch. 31 - While looking at fuel trim values: Technician A...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- List at least five safety precautions that shouldbe adhered to when working with fuel systems.arrow_forwardAn engine starts and runs briefly after a small quantity of fuel is put into the spark plug hole, but it doesn't not start when fuel is added to the carburetor throat. Tech a says that the problem may be that the exhaust valve is not closing completely due to carbon buildup. Tech b says it may be due to a defective carburetor mounting gasket. Who is correct?arrow_forwardWhile discussing central port injection systems: Technician A says that CPI systems use one injector and several injector nozzles. Technician B says that CPI systems open each injector sequentially. Who is correct? A.Technician A B.Technician B C.Both A and B D.Neither A nor Barrow_forward
- A good injector makes a rhymic clicking sound as the injector is energized and de-energized several times each second. T Farrow_forwardPressure regulators are being discussed. Technician A says they are located in the fuel rail. Technician B says they are located on the fuel rail. Who is correct? a. A only b. B only c. Both A and B d. Neither A nor Barrow_forwardWhy must the reverse flow valve and the flashback arrestor be checked on a regular basis?arrow_forward
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