Engine Performance Test 3- Mr C

What prevents the fuel pump inside the fuel tank from catching the gasoline on fire?

• electricity is not used to power the pump

• no air is around the motor brushes

• gasoline is hard to ignite in a closed space

• all these are true

A good fuel pump should be able to supply how much fuel per minute?

• 1/4 pint

• 1/2 pint

• 1 pint

• 0.6-0.8 gallons

Tech A says that fuel pump modules are spring loaded so that they can be compressed to fit into the opening. Tech B says that they are spring loaded to allow for expansion and contraction of plastic fuel tanks. Who is correct?

• Tech A

• Tech B

• Both

• Neither

the amperage draw of an electric fuel pump is higher than specified. All of the following are possible causes except..

• corroded electrical connections at the pump motor

• clogged fuel filter

• restriction in fuel line

• defective fuel pump

A fuel pump is being replaced for the third time. Tech A says that the gasoline could be contaminated. Tech B says that wiring to the pump could be corroded. Who is correct?

• Tech A

• Tech B

• Both

• Neither

where is the fuel pressure regulator located on a vacuum biased port fuel injection system?

• in the tank

• at the inlet of the fuel rail

• at the outlet of the fuel rail

• near or on the fuel rail

A clogged EGR passage could cause excessive ____ exhaust emissions.

• HC

• CO

• NOx

• CO2

two techs are discussing clogged EGR passages. Tech A says clogged EGR passages can cause excessive NOx exhaust emissions. Tech B says that clogged EGR passages can cause engine ping. Who is correct?

• Tech A

• Tech B

• Both

• Neither

An EGR valve that is partially stuck open would most likely cause what condition?

• rough idle/stalling

• excessive NOx exhaust emissions

• Ping

• Missing at Highway speed

Tech A says that if a PVC Valve rattles it is okay and does not need to be replaced. Tech B says that if a PVC Valve does not rattle then it should be replaced. Who is correct?

• Tech A

• Tech B

• Both

• Neither