[jpnovak]

Terms and Definitions

First let me define some terms that I will use. I can update this list if there is any that I missed. I will try to put a little definition to each term as well.

EFI - Electronic Fuel Injection
ECU - Engine Control Unit
CIS - Bosch Continuous Injection System
MFI - Bosch Mechanical Fuel Injection
ITBs - Individual Throttle Body or Independent Throttle Body
Common Plenum - Single throttle body manifold with runner arms to each cylinder.
CLT - Coolant Temperature Sensor
IAT - Intake Air Temperature
RPM - Do I need to?
MAP - Manifold Absolute Pressure
BTDC - timing Before Top Dead Center - You Probably know this.
PW - Pulsewidth - refers to the injector open time in milliseconds
TPS - Throttle Position Sensor
VE - Volumetric Efficiency
MBT - Mean Brake Timing
MAF - Mass Air Flow
O2 - Oxygen Sensor
WBO2 - Wide Band Oxygen Sensor
AFR - Air Fuel Ratio
AE - Acceleration Enrichment
VEAL - VE Analyze LIve - A Megasquirt Tuner Studio “auto tuning” algorithm
TS - Tuner Studio - Megasquirt Tuning Software
MLV - MegaLog Viewer - Megasquirt Datalog Analysis and Graphical Viewer
MS - Megasquirt - An EFI ECU
AEM - automotive Performance Parts supplier that makes an EFI ECU
Cell or Bin - specific spot on a tuning table. Defines load and rpm condition for tuning.