Skills and Trades

Most late-model engines use at least one ____________________ oxygen sensor.

Started by 809779

Cracks and tears in the plumbing between the ____________________ sensor and the throttle body are ...

Started by vicky

A fuel ____________________ is a solenoid-actuated fuel valve.

Started by drink

Which tool is used to check the operation of an O2 sensor?

Started by Metfan725

Which of the following would likely cause a no-start problem on an EFI system?

Started by jhjkgdfhk

What would cause a P0220 DTC to be stored in the ECM?

Started by jessicacav

What should be done after an ETC throttle body has been cleaned?

Started by magmichele12

What is the correct procedure for cleaning fuel injectors?

Started by a0266361136

What is revealed when an injector balance test shows a greater pressure drop on one injector than on the rest?

Started by lb_gilbert

What is indicated if the STFT value is at -15 percent?

Started by appyboo

What information does a diagnostic trouble code (DTC) provide?

Started by TFauchery

In order to safely service the fuel injection system, what precaution should be observed?

Started by Lobcity

How many wires do most heated oxygen sensors have connected to them?

Started by vicotolentino

What is the difference in signal output between an oxygen sensor and an A/F (air/fuel) ratio sensor?

Started by geoffrey

What is the difference between short-term and long-term fuel trim?

Started by jjjetplane

How is an injector balance test performed?

Started by Lobcity

TBI systems are as efficient as GDI systems.

Started by ishan

If the injector pulse width is increased on TBI, MFI, or SFI systems, the air/fuel ratio becomes leaner.

Started by rayancarla1

Fuel injectors consist of a solenoid, a needle valve, and a nozzle.

Started by humphriesbr@me.com

CPI injectors are located in the lower half of the intake manifold.

Started by OSWALD

Because modern engines heat up rapidly, heated oxygen sensors (HO2S) are not required.

Started by Yolanda

The length of time an injector is energized is called the ____________________ width.

Started by bobthebuilder

The ____________________ systems inject fuel above the throttle plates.

Started by bb

The ____________________ provides the high fuel pressure required in a GDI fuel injection system.

Started by stock

In a GDI system, fuel is injected at pressures up to ____________________.

Started by londonang