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Air–fuel ratio meter

Index Air–fuel ratio meter

An air–fuel ratio meter monitors the air–fuel ratio of an internal combustion engine. [1]

43 relations: Air–fuel ratio, Ammeter, Ampere, Atom, Car tuning, Catalytic converter, Combustion, Detonation, Electrical resistance and conductance, Engine control unit, Engine knocking, Engine tuning, Exhaust gas analyzer, Fuel economy in automobiles, Fuel efficiency, Hydrocarbon, Internal combustion engine, Lambda, Lean-burn, Light-emitting diode, Linearity, Mass flow sensor, Nitrogen oxide, OBD-II PIDs, Ohm, Operating temperature, Oscilloscope, Oxygen, Oxygen sensor, Petrol engine, PID controller, Potentiometer (measuring instrument), Pulse-width modulation, Semiconductor, Serial communication, Series and parallel circuits, Sine wave, Stoichiometry, Supercharger, Titanium, Turbocharger, Vehicle emissions control, Voltage.

Air–fuel ratio

Air–fuel ratio (AFR) is the mass ratio of air to a solid, liquid, or gaseous fuel present in a combustion process.

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Ammeter

An ammeter (from Ampere Meter) is a measuring instrument used to measure the current in a circuit.

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Ampere

The ampere (symbol: A), often shortened to "amp",SI supports only the use of symbols and deprecates the use of abbreviations for units.

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Atom

An atom is the smallest constituent unit of ordinary matter that has the properties of a chemical element.

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Car tuning

Car tuning is modification of the performance or appearance of a vehicle.

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Catalytic converter

A catalytic converter is an exhaust emission control device that converts toxic gases and pollutants in exhaust gas from an internal combustion engine into less-toxic pollutants by catalyzing a redox reaction (an oxidation and a reduction reaction).

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Combustion

Combustion, or burning, is a high-temperature exothermic redox chemical reaction between a fuel (the reductant) and an oxidant, usually atmospheric oxygen, that produces oxidized, often gaseous products, in a mixture termed as smoke.

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Detonation

Detonation is a type of combustion involving a supersonic exothermic front accelerating through a medium that eventually drives a shock front propagating directly in front of it.

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Electrical resistance and conductance

The electrical resistance of an electrical conductor is a measure of the difficulty to pass an electric current through that conductor.

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Engine control unit

An engine control unit (ECU), also commonly called an engine control module (ECM), is a type of electronic control unit that controls a series of actuators on an internal combustion engine to ensure optimal engine performance.

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Engine knocking

Knocking (also knock,, spark knock, pinging or pinking) in spark-ignition internal combustion engines occurs when combustion of some of the air/fuel mixture in the cylinder does not result from propagation of the flame front ignited by the spark plug, but one or more pockets of air/fuel mixture explode outside the envelope of the normal combustion front.

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Engine tuning

Engine tuning is an adjustment, modification of the internal combustion engine, or modification to its control unit, otherwise known as its ECU (Engine Control Unit).

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Exhaust gas analyzer

An exhaust gas analyser or exhaust CO analyser is an instrument for the measurement of carbon monoxide among other gases in the exhaust, caused by an incorrect combustion, the Lambda coefficient measurement is the most common.

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Fuel economy in automobiles

The fuel economy of an automobile is the relationship between the distance traveled and the amount of fuel consumed by the vehicle.

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Fuel efficiency

Fuel efficiency is a form of thermal efficiency, meaning the ratio from effort to result of a process that converts chemical potential energy contained in a carrier (fuel) into kinetic energy or work.

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Hydrocarbon

In organic chemistry, a hydrocarbon is an organic compound consisting entirely of hydrogen and carbon.

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Internal combustion engine

An internal combustion engine (ICE) is a heat engine where the combustion of a fuel occurs with an oxidizer (usually air) in a combustion chamber that is an integral part of the working fluid flow circuit.

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Lambda

Lambda, Λ, λ (uppercase Λ, lowercase λ; λάμ(β)δα lám(b)da) is the 11th letter of the Greek alphabet.

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Lean-burn

Lean-burn refers to the burning of fuel with an excess of air in an internal combustion engine.

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Light-emitting diode

A light-emitting diode (LED) is a two-lead semiconductor light source.

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Linearity

Linearity is the property of a mathematical relationship or function which means that it can be graphically represented as a straight line.

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Mass flow sensor

A mass (air) flow sensor (MAF) is a sensor used to determine the mass flow rate of air entering a fuel-injected internal combustion engine.

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Nitrogen oxide

Nitrogen oxide may refer to a binary compound of oxygen and nitrogen, or a mixture of such compounds.

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OBD-II PIDs

OBD-II PIDs (On-board diagnostics Parameter IDs) are codes used to request data from a vehicle, used as a diagnostic tool.

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Ohm

The ohm (symbol: Ω) is the SI derived unit of electrical resistance, named after German physicist Georg Simon Ohm.

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Operating temperature

An operating temperature is the temperature at which an electrical or mechanical device operates.

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Oscilloscope

An oscilloscope, previously called an oscillograph, and informally known as a scope or o-scope, CRO (for cathode-ray oscilloscope), or DSO (for the more modern digital storage oscilloscope), is a type of electronic test instrument that allows observation of varying signal voltages, usually as a two-dimensional plot of one or more signals as a function of time.

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Oxygen

Oxygen is a chemical element with symbol O and atomic number 8.

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Oxygen sensor

An oxygen sensor (or lambda sensor) is an electronic device that measures the proportion of oxygen (O2) in the gas or liquid being analysed.

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Petrol engine

A petrol engine (known as a gasoline engine in American English) is an internal combustion engine with spark-ignition, designed to run on petrol (gasoline) and similar volatile fuels.

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PID controller

A proportional–integral–derivative controller (PID controller or three term controller) is a control loop feedback mechanism widely used in industrial control systems and a variety of other applications requiring continuously modulated control.

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Potentiometer (measuring instrument)

A potentiometer is an instrument for measuring voltage by comparison of an unknown voltage with a known reference voltage.

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Pulse-width modulation

Pulse-width modulation (PWM), or pulse-duration modulation (PDM), is a modulation technique used to encode a message into a pulsing signal.

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Semiconductor

A semiconductor material has an electrical conductivity value falling between that of a conductor – such as copper, gold etc.

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Serial communication

In telecommunication and data transmission, serial communication is the process of sending data one bit at a time, sequentially, over a communication channel or computer bus.

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Series and parallel circuits

Components of an electrical circuit or electronic circuit can be connected in many different ways.

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Sine wave

A sine wave or sinusoid is a mathematical curve that describes a smooth periodic oscillation.

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Stoichiometry

Stoichiometry is the calculation of reactants and products in chemical reactions.

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Supercharger

A supercharger is an air compressor that increases the pressure or density of air supplied to an internal combustion engine.

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Titanium

Titanium is a chemical element with symbol Ti and atomic number 22.

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Turbocharger

A turbocharger, or colloquially turbo, is a turbine-driven forced induction device that increases an internal combustion engine's efficiency and power output by forcing extra air into the combustion chamber.

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Vehicle emissions control

Vehicle emissions control is the study of reducing the emissions produced by motor vehicles, especially internal combustion engines.

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Voltage

Voltage, electric potential difference, electric pressure or electric tension (formally denoted or, but more often simply as V or U, for instance in the context of Ohm's or Kirchhoff's circuit laws) is the difference in electric potential between two points.

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References

[1] https://en.wikipedia.org/wiki/Air–fuel_ratio_meter

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