Glossary “LT” Definition:
Light Truck
l
LTFT
Glossary “LTFT” Definition:
Long Term Fuel Trim
LS
Glossary “LS” Definition:
Left Side, or Luxury Sedan
LPLR
Glossary “LPLR” Definition:
Low Pressure Low Resistance fuel injector
LPO
Glossary “LPO” Definition:
Limited Production Option.
LPV
Glossary “LPV” Definition:
Load Proportioning Valve.
LR
Glossary “LR” Definition:
Left Rear
LRDM
Glossary “LRDM” Definition:
Left Rear Door Module
lower radiator hose
Glossary “lower radiator hose” Definition:
Radiator hose from the outlet of the radiator to the inlet of the water pump.
lowering block
Glossary “lowering block” Definition:
Device that may be used to reduce the riding height of certain vehicles.
lowest achievable level (LAL)
Glossary “lowest achievable level (LAL)” Definition:
Term used to define the lowest amount of emission permitted for any substance considered toxic or otherwise hazardous.
LP
Glossary “LP” Definition:
Liquid Propane, or Lift Point, or Lamp
LPG
Glossary “LPG” Definition:
Liquified Petroleum Gas.
lower mount
Glossary “lower mount” Definition:
Support for the engine or transmission that is below the crankshaft centerline.
lower control arm
Glossary “lower control arm” Definition:
Front suspension component connected between the pivoting attachment point on the car frame and the lower ball joint, which is fastened to its outer end.
lower end
Glossary “lower end” Definition:
The crankshaft, main bearings, and connecting rod bearings assembly in an engine.
lower heating value (LHV)
Glossary “lower heating value (LHV)” Definition:
Latent heating value of water that is exhausted as steam.
low speed system
Glossary “low speed system” Definition:
Circuit in the carburetor that provides fuel to the air passing through it during part-throttle, low-speed operation.
low spot
Glossary “low spot” Definition:
Also called a dent, it is an area that is recessed below the surrounding surface.
low suction pressure
Glossary “low suction pressure” Definition:
Pressure that is lower than normal in the suction side of the A/C system, due to a malfunction of the unit.