Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Textbook Question
Chapter 29, Problem 2MC
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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While discussing returnless fuel systems: Technician A says that in a returnless fuel system the pressure regulator is mounted on the fuel rail. Technician B says that in this type of fuel system the pump and pressure regulator are combined in one unit. Who is correct?
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. Explain the purpose of the relief valve and one-way check valve in an electric fuel pump. What type of fire extinguisher should you have close by when you are working on fuel system components?
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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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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
- Which 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_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_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_forward
- The component that changes the molecular structure of hydrocarbons into hydrogen-rich gas is called a. a. pressure container b. fuel cell c. fuel injector d. reformerarrow_forwardMost fuel tank filler caps contain a pressure valva and aarrow_forwardWhat are the major components of a Piston Engine fuel System What are their major functions or roles within the systemarrow_forward
- A 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_forwardState the different ways of monitoring fuel oil quality and how to maintain an acceptable value during operation.arrow_forwardLow fuel pump pressure causes a _____ mixture and excessive pressure causes a _____ mixture.arrow_forward
- Q156. 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_forwardExplain the steps involved in disconnecting a fuel line on a vehicle with: Multiport fuel injection (50 - 60 words) Gasoline Direct Iniection (30 - 40 words)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_forward
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