Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Chapter 29, Problem 4MC
Low 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 tank
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Chapter 29 Solutions
Automotive Technology
Ch. 29 - List at least five safety precautions that should...Ch. 29 - Describe the operation of the evaporative system...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 - 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 - True or False? On todays vehicles, an electric...Ch. 29 - Most fuel tank filler caps contain a pressure...
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 - 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 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 linesarrow_forwardIf 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_forwardTrue or False? On todays vehicles, an electric fuel pump runs only when the engine is running.arrow_forward
- Most fuel tank filler caps contain a pressure valve and a. a. vapor separator b. vacuum relief valve c. one-way check valve d. surge platearrow_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_forwardTechnician A says that dedicated vehicles are those designed to use one particular type of fuel. Technician B says that bi-fuel vehicles can operate solely on an alcohol-based fuel or unleaded gasoline, or a mixture of the two, which gives the driver flexibility and convenience when refilling the fuel tank. Who is correct? a. Technician A b. Technician B c. Both A and B d. Neither A nor Barrow_forward
- While 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_forwardTechnician A says that excessively high pressure from an electric fuel pump can be caused by a faulty pressure regulator. Technician B says that the typical problem may be an obstructed return line. Who is correct?arrow_forwardCalculate c) the air-fuel ratio for an excess air of 35 %.arrow_forward
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