Glossary “PF” Definition:
Purge Flow
p
PFE
Glossary “PFE” Definition:
Pressure Feedback EGR
PFI
Glossary “PFI” Definition:
Port Fuel Injection
PFI-MA
Glossary “PFI-MA” Definition:
Ported Fuel Injection – Mass Airflow
PFM
Glossary “PFM” Definition:
Pure Ford Magic
petroleum
Glossary “petroleum” Definition:
Crude oil from which gasoline, lubricant, and other such products are manufactured.
PEVR
Glossary “PEVR” Definition:
Power Enrichment Vacuum Regulator
Petrol
Glossary “Petrol” Definition:
English term for Gasoline
permeability
Glossary “permeability” Definition:
The measure of the ease with which magnetic lines of force can move through a material compared with air.
permissible exposure limit (PEL)
Glossary “permissible exposure limit (PEL)” Definition:
The maximum length of time a person should be exposed to a hazard or hazardous material established by OSHA and expressed as a time-weighted average limit or ceiling exposure limit.
peta
Glossary “peta” Definition:
The prefix representing the number 1,000,000,000,000,000
petcock
Glossary “petcock” Definition:
Small faucet like valve used for draining liquids, such as that found at the bottom of some radiators.
Permaloy
Glossary “Permaloy” Definition:
Permanent magnet made of Nickel and Iron alloy.
permanent magnet
Glossary “permanent magnet” Definition:
Ferrous material, such as steel, that retains its magnetic properties without the use on an electric current.
permanent magnet generator
Glossary “permanent magnet generator” Definition:
A reluctance sensor. Generates a voltage signal by moving a conductor through a permeant magnetic field.
permanent strainer
Glossary “permanent strainer” Definition:
A device generally of a Y-configuration having an accessible cylindrical strainer element used in horizontal and vertical lines. The element, retained by a plug end which may be plain or fitted with a valve, can be opened for “blow-through” cleaning.
Permatex
Glossary “Permatex” Definition:
Tradename for a brand of engine and transmission sealants.
period
Glossary “period” Definition:
Length of time required for one cycle of a periodic wave.
peripheral device
Glossary “peripheral device” Definition:
Any external device attached to a computer; examples of peripherals include printers, disk drives, keyboards monitors and scantools
percentage reduction
Glossary “percentage reduction” Definition:
Additional materials must be added in certain proportions or parts.