Skills and Trades

Fuel trim can be monitored for ____________________ purposes.

Started by DelorasTo

Why are GDI fuel injectors made with a small extended tip?

Started by Mollykgkg

Which statement best describes a gasoline direct injection fuel system?

Started by Bob-Dole

Which PCM operation mode turns off the fuel injectors while cranking?

Started by stock

Which of the following have been replaced by MAF systems?

Started by luminitza

Where do the fuel injectors spray the fuel in a GDI fuel system?

Started by leo leo

What is the purpose of connecting the fuel pressure regulator to manifold vacuum on some systems?

Started by Mimi

What is a common air bypass system in a vehicle NOT equipped with electronic throttle control?

Started by deesands

What allows a throttle-by-wire system to ensure the PCM is receiving correct signals?

Started by Zoey63294

How does the PCM control the speed of the fuel pump in an electronic returnless fuel system?

Started by RODY.ELKHALIL

What is meant by sequential firing of fuel injectors?

Started by brutforce

What are some disadvantages of TBI systems?

Started by KWilfred

Explain the major differences between throttle body injectors and port fuel injectors.

Started by magmichele12

Explain how the computer controls the air/fuel ratio on an EFI system during closed loop.

Started by EAugust

Describe the effect of an ECT sensor signal on an EFI system.

Started by madam-professor

The fuel pressure regulator on a returnless fuel system is located inside the fuel tank.

Started by Medesa

Most fuel tanks can only be filled to 90 percent of their capacity.

Started by jessicacav

Fuel tank vapours are vented through the fuel filler cap.

Started by cherise1989

During its evaporative system integrity test, the canister vent solenoid is open to vent the entire ...

Started by wenmo

All fuel tank fittings are threaded-type fittings.

Started by stevenposner

The fuel tank must be ____________________ before fuel tank removal.

Started by Redwolflake15

On many vehicles, the ____________________ must be removed to replace the fuel pump.

Started by WhattoUnderstand

Fuel pumps should be tested for ____________________ and ____________________.

Started by tuffie

A(n) ____________________ with a current probe can be used to monitor the current flow to the fuel pump.

Started by tiffannnnyyyyyy

A clogged fuel filter will cause ____________________ than normal fuel pressure.

Started by fahad