Short Terms

A/F - Air Fuel ratio. Gasoline can burn within ratio 7.5:1 to 26:1. Best performance at 12.6, best economy at 15:4.

ADC - Analog to Digital Converter

AFM - Air Flow Meter

ASE - After Start Enrichment

BDC - Bottom Dead Center

BSFC - Brake Specific Fuel Consumption (^kg/_kW/h)

COP - coil over plug

CR - compression ratio

CTS - coolant temperature sensor

dwell - sparks appearance time.

EFI - Electronic Fuel Injection

EGO sensor - Exhaust Gas Oxygen sensor. See lambda.

EGR - Exhaust Gas Recirculation

EGT - Exhaust Gas Temperature (normal is ca 800^oC) - 'leaner is meaner'

$EQ Ratio=\frac{1}{\lambda}$

EQ Ratio - Equivalence Ratio

FET - field effect transistor

FP - fuel pump

HALL - hall sensor - http://en.wikipedia.org/wiki/Hall_effect_sensor

High Impedance Injector - above 10Ω

IAC - Idle Air Control

IAT - Intake Air Temperature

ICV - Idle Control Valve

ISC - Idle Speed Control

$\lambda =\frac{1}{air/fuel}$

lambda (λ) - 𝛌=¹/_air:fue 14.68:1.

LED - Light Emitting Diode

MAP - manifold absolute pressure

MBT - Maximum Brake Torque

PW - Pulse Width

TDC - Top Dead Center

TPS - throttle position sensor

VR - Variable Reluctor

WOT - Wide Open Throttle