What Every Tuner should know: Common Tuning Terms and Definitions EFI Tuning defined
This video will define a ton of High Performance Tuning Terms.
0:47 What is ECM? PCM? VCM?
1:14 TCM= Transmission Control Module
1:23 BCM= Body Control Module
1:38 TCC= Torque Converter Control
1:54 Sensors that you will be tuning...
1:58 MAP= Manifold Absolute Pressure
2:19 MAF= Mass Air Flow Sensor
2:30 IAT= Intake Air Temperature
2:41 TPS= Throttle Position Sensor
2:52 ECT= Engine Coolant Temperature
2:59 VSS= Vehicle Speed Sensor
3:05 Emission terms...
3:08 CAGS= Computer Automated Gear Selection
3:28 AFM= Active Fuel Management or
3:41 DOD= Displacement on Demand
3:49 Only used in low load situations...
3:58 EGR= Exhaust Gas Recirculation
4:13 DFCO = Deceleration Fuel Cut Off
4:25 DTC = Diagnostic Trouble Code (P015 or P128 Codes)
4:39 VATS = Vehicle Anti-Theft System
4:46 Known issue with Swap vehicles non start issue(s)
4:56 PATS = Passive Anti-Theft System Ford's version of VATS
5:06 Fueling terms...
5:11 COT = Catalytic Over-Temp when at WOT
5:20 WOT = Wide Open Throttle the funnest place to be
5:31 PE = Power Enrichment
5:41 STFT = Short Term Fuel Trims
5:49 LTFT = Long Term Fuel Trims
5:58 EQ = Equivalency Ratio How much fuel needs to be added at WOT
6:09 IPW = Injector Pulse Width
6:15 IDC = Injector Duty Cycle
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