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 29, Problem 9RQ
If fuel pump pressure or volume is less than specified, which of the following is not a likely cause of the problem?
a. A restricted fuel filter
b. A faulty fuel pump
c. Restricted fuel return lines
d. Restricted fuel supply lines
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Chapter 29 Solutions
Automotive Technology: A Systems Approach (MindTap Course List)
Ch. 29 - Fuel pump is a statement of the volume of the fuel...Ch. 29 - Explain the purpose of the relief valve and...Ch. 29 - Most fuel tank filler caps contain a pressure...Ch. 29 - What type of fire extinguisher should you have...Ch. 29 - What is the first thing that should be...Ch. 29 - Why is a plastic or metal restrictor placed in...Ch. 29 - Low fuel pump pressure causes a mixture and...Ch. 29 - True or False? Fuel pressure typically is at its...Ch. 29 - If fuel pump pressure or volume is less than...Ch. 29 - Which of the following statements about a fuel...
Ch. 29 - Low fuel pressure can be caused by all of the...Ch. 29 - If a fuel system loses pressure immediately after...Ch. 29 - List at least five safety precautions that should...Ch. 29 - Describe the operation of the evaporative system...Ch. 29 - True or False? On todays vehicles, an electric...Ch. 29 - Technician A says that excessively high pressure...Ch. 29 - Technician A replaces a damaged steel fuel line...Ch. 29 - While discussing electric fuel pumps: Technician A...Ch. 29 - To relieve fuel pressure on an EFI car: Technician...Ch. 29 - While discussing quick-disconnect fuel line...Ch. 29 - While discussing fuel filters: Technician A says...Ch. 29 - While discussing the various fuel filters used in...Ch. 29 - While discussing fuel tank filler pipes and caps:...Ch. 29 - While discussing electric fuel pumps: Technician A...Ch. 29 - While discussing electric fuel pumps: Technician A...
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- If a fuel system loses pressure immediately after the ignition is turned off, the possible problems are all of the following except. a. a leaking injector b. restricted fuel lines c. leaking connectors or hoses d. a faulty pressure regulatorarrow_forwardLow fuel pressure can be caused by all of the following except. a. a clogged fuel filter b. a restricted fuel line c. a fuel pump that draws too high amperage d. a dirty filter sock in the tankarrow_forwardWhich of the following conditions can be revealed by fuel pressure readings? Faulty fuel pump Faulty fuel pressure regulator Restricted fuel delivery system All of the abovearrow_forward
- True or False? On todays vehicles, an electric fuel pump runs only when the engine is running.arrow_forwardQ156. which of the following components can cause execcively high pressure in a returnless fuel delivery system? a. faulty fuel pressure. b. faulty fuel pressure regulator c. all answers are correct d. faulty PCMarrow_forwardWhile discussing fuel boiling in the fuel rail: Technician A says that fuel boiling in the fuel rail causes a lean air-fuel ratio. Technician B says that the computer will compensate for the improper air-fuel ratio caused by fuel boiling in the fuel rail. Who is correct?arrow_forward
- Most fuel tank filler caps contain a pressure valva and aarrow_forwardexplain the purpose of the relief valve and one way check valve in an electric fuel pump.arrow_forwardWhile discussing quick-disconnect fuel line fittings: Technician A says that on some hand-releasable, quick-disconnect fittings, the fitting may be removed by pulling on the fuel line. Technician B says that some hand-releasable, quick-disconnect fittings may be disconnected by twisting the large connector collar in both directions and pulling on the connector. Who is correct?arrow_forward
- List at least five safety precautions that should be adhered to when working with fuel systems.arrow_forwardWhat type of fire extinguisher should you have close by when you are working on fuel system components?arrow_forwardExplain steps involved in disconnecting a fuel line on a vehicle with multiport fuel injaction and gasoline direct injection ?arrow_forward
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