ACT
Air Control Valve
BDC
Bottom Dead Center
CAM
Camshaft
CCV
Crankcase Ventilation
CVVT
Continuously Variable Valve Timing
DDE
Digital Diesel Electronics
DHC
Dual-Hydraulic Clutch
DSC
Dual-Spark Coil
DTC
Diagnostic Trouble Code
ECL
Exhaust Camshaft Lifter
ECU
Engine Control Unit
FIC
Fuel Injection Controller
GT
Turbocharger
HEI
High Energy Ignition
IC
Intercooler
IMT
Intake Manifold Tuning
ISV
Idle Speed Valve
LPI
Liquid Propane Injection
MPT
Multi-Point Timing
OHC
Overhead Camshaft
PCV
Positive Crankcase Ventilation
RDE
Real Driving Emissions
RPM
Revolutions Per Minute
RPS
Revolutions Per Second Sensor