This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Why is a vacuum line attached to a fuel-pressure regulator on many port-fuel-injected engines? A) ... (Read 163 times)

jjjetplane

  • Hero Member
  • *****
  • Posts: 556
on: Jun 22, 2018
Why is a vacuum line attached to a fuel-pressure regulator on many port-fuel-injected engines?
 
  A) To create an equal pressure drop across the injectors
  B) To draw fuel back into the intake manifold through the vacuum hose
  C) To raise the fuel pressure at idle
  D) To lower the fuel pressure under heavy engine load conditions to help improve fuel economy

Question 2

The pulse generator ________.
 
  A) Signals the electronic control unit (module)
  B) Signals the computer that fires the spark plug directly
  C) Fires the spark plug directly
  D) Is used as a tachometer reference signal by the computer and has no other function


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

akudia

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jun 22, 2018
Answer to Question 1

A

Answer to Question 2

A


jjjetplane

  • Member
  • Posts: 556
Reply 2 on: Jun 22, 2018
Gracias!

Liddy

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Old man's beard smothering a cabbage tree (Cordyline australis) on the Port Hills in Christchur Old man's beard smothering a cabbage tree (Cordyline australis) on the Port Hills in Christchur
Average Normal Blood Pressure Readings Average Normal Blood Pressure Readings
The common rail on a Cummins diesel engine. A high-pressure pump (up to 30,000 PSI) is used to ... The common rail on a Cummins diesel engine. A high-pressure pump (up to 30,000 PSI) is used to ...
Overview of a computer-controlled high-pressure common rail V-8 diesel engine. Overview of a computer-controlled high-pressure common rail V-8 diesel engine.
Use a vacuum or fuel line hose over the spark plug to install it without danger of cross-threading ... Use a vacuum or fuel line hose over the spark plug to install it without danger of cross-threading ...
A platinum tipped spark plug that is fuel soaked indicating a fault with the fuel system or the ... A platinum tipped spark plug that is fuel soaked indicating a fault with the fuel system or the ...
Video: Photosynthesis and Van Helmont Experiment

For a complete list of videos, visit our video library