Throttle Bodies
MAF Sensors
Oxygen sensors
Engine timing
Diagnostics
100

This sensor tells the vehicle how far the throttle is open.

What is the Throttle Position sensor (TPS)?

100

MAP is an acronym for a sensor used on internal combustion engines.

What is Manifold Absolute Pressure sensor (MAP)?

100

This sensor Measures the remaining 0levels in the exhaust stream.


What is the Oxygen sensor?

100

This component controls the amount of oil flow to adjust engine timing.

What is the VVT Solenoid?

100

if you are in doubt that a sensor is faulty the best way to verify it is to__________________.

What is pull it out?

200

This sensor is used on electronic throttle control systems to Identify how far the throttle should be opened.

What is the accelerator pedal position sensor?

200

A dirty MAF sensor will result in a __________ Fuel trim reading.

What is Lean?

200

Vehicle with positive fuel trim numbers are considered to be running_______.

What is lean?

200

This component is connected to the camshaft and physically moves to alter timing.

What is the VVT Actuator?

200

While diagnosing a potential vacuum leak. you should use this fluid while watching your fuel trim readings.

What is Brake clean or Propane?

300

Electronic throttle control systems use multiple redundant sensor for this reason.

What is safety?

300

When a MAF sensor system fails the vehicle will revert to this type of air measurement system.

What is speed density?

300

This Oxygen sensor is located opposite of cylinder #1 and is after the Catalytic convertor.

What is Bank 2 Sensor 2?

300

Advanced intake timing means that the intake valve will open ________ the piston reaches TDC.

What is Before?

300

A vehicle is running rough with random missfires on bank 1. the technician should focus on the data from this Oxygen sensor.

What is Bank 1 sensor 1

400


What is an Idle Air Control Valve?

400

Air leaks before the Mass air flow sensor typically cause the engine to run __________.

What is normal? (The only problem is unfiltered air being drawn into the engine)

400

This type of oxygen sensor includes a heater to reduce the time required to make the sensor operational.

What is a 4 wire sensor?

400

Knock sensors use a _______-________ crystal to detect pre-detonation.

What is Piezo-electric?

400

A vehicle is running rich. The technician should be looking for a problem in this area. (pick one)

What is Leaking Fuel injector, plugged catalytic convertor, leaking high pressure fuel pump...?

500

This Process is usually done as part of normal maintenance to prevent idle quality issues.

What is cleaning the throttle body?
500

This type of air filter has a high chance of causing issues with the MAF sensor.

What is K&N air filters?

500

This type of fuel control uses information provided by the oxygen sensor to adjust fuel trims.

What is Closed loop?

500

Todays engines use __________ to reduce exhaust temperatures which reduces NOX Emissions.

What is valve Overlap?

500

A vehicle is running lean. The technician should be looking for a problem in this area. (pick one)

What is an air leak after the MAF sensor, low fuel pressure, dirty or malfunctioning MAF sensor...?

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