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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- Name the parts of a fuel injector.arrow_forwardWhich of the following statement about carbon dioxide is not true? a. CO2 , levels are highest when the air fuel ratio is slightly leaner than stoichiometric. b. The production CO2 , is directly related to the amount of fuel consumed; therfore, more fuel efficient engines produce less CO2 c. To reduce CO2 , levels in the exhaust, engineers are working hard to decrease fuel consumption to keep CO2 low. d. The concern for CO2 emissions is on of the primary reasons for the delayed use of alternative fuels for automobiles.arrow_forwardWhich of the following statements about fuel cells is NOT true?a. A single fuel cell produces very low voltage, normally less than one volt.b. A fuel cell produces electricity through an electro-chemical reaction that combines hydrogen and oxygen to form water.c. A fuel cell is composed of two electrodes coated with a catalyst and separated from each other by an electrolyte and from the case by separators.d. In a fuel cell, catalysts are used to ignite the hydrogen; this causes a release of electrons or electrical energy.arrow_forward
- 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_forwardTrue or False? On todays vehicles, an electric fuel pump runs only when the engine is running.arrow_forwardMost 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_forward
- 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_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_forwardA chamber installed in the exhaust flow that contains material that aids emission reduction via chemical reaction. a. muffler b. exhaust filter c. catalytic converter d. emission filterarrow_forward
- technician A says that the fuel tank cap has a valve to prevent pressure build up in the tank. Technician B says that the cap has a valve to prevent vacuum build up in the tank. Who is right?arrow_forwardfuel additive are being discussed. technician A says adding oxygenates to gasoline increases fuel economy. technician B says adding 10 percent ethanol to gasoline may boost the octane rating 2.5 to 3 points. who is correct?arrow_forwardLow fuel pump pressure causes a _____ mixture and excessive pressure causes a _____ mixture.arrow_forward
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