The sensor used to detect engine speed is the ____________

The _____is not one of the subsystem of an electronic fuel injection system

If the noid light does NOT flash when checking an electronic fuel injector which of the following isn't the cause

Direct electronic fuel injection pressure could be as high as ______psi

Technician A says that the low fuel pressure could be caused by a faulty fuel pressure regulator, Technician B says the fuel pump could be the cause. Who is right?

An Injector balance test shows a below normal pressure drop on one injector.Technician A says that the injector is bad and should be replaced. Technician B says to try running cleaning solution through the injector.

Who is right?

High Impedance fuel injector resistance should be _______ohms

What do you put on the threads of a new oxygen senor

How much current is required to hold open a peak-and-hold injector circuit

Electronic Fuel Injection uses how many injectors per cylinder

Throttle valves are used on gasoline engines, but not on diesel engines

Throttle-by-wire is a type of manual control used to adjust the engine throttle valve

Fuel is forced into the combustion chamber on a direct fuel ijection system

Trouble codes and live readings can help find fuel system problems

A faulty injector will make a clicking sound and sound be replaced

Should you use silicone based sealers on exhaust system components

Typical Oxygen Sensor Voltage is normally .5 volts

Dirty Injector Nozzle could cause poor fuel spray patterns

Poor fuel economy could be caused by a failed IAT sensor

Can Corrosion cause high resistance in the fuel injection wiring harness

Noid lights are universal and fit any manufacture's EFI system

Fuel Pressure is automatically relieved once the engine shuts off

A trouble code can be set by a circuit problem with a sensor or actuator

Checks amount of air entering engine

Checks exhaust gas for combustion efficency

Measure Engine Vacuum

Detects engine speed

Monitor Throttle Shaft Rotation

Engine Coolant Sensor

Measures temperature of air entering the engine

The __________ controls airflow & engine power

Too much air and not enough fuel creates a _______ mixture

TPS produce specific ___________ at different throttle openings

How much voltage is required to open a piezo fuel injector

Special light for checking EFI circuits

Direct Fuel Injection has better economy and less _________

Vacuum Leaks often cause a _________ mixture

Low O2 reading from rear O2 sensor may indicate a __________ failure

Bad __________ will cause an inoperative injector

Term for Perfect Fuel Mixture

You should wear ________ while working on the fuel system

You can use a ________ to get operating values on EFI Sensors

What tool can you use to check injectors