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Automotive Acronyms P

Acronym Definition Notes / What Is / Who Is
PAACE Pan American Automotive Components Expo International trade show group for the automotive aftermarket.
PAIR pulsed secondary air injection Introduces air into the exhaust manifold to help reduce emissions.
P/B power brakes Vacuum assisted brakes
PBEA Paint Body and Equipment Association Segment of AAIA
PCM powertrain control module See ECM
PCV positive crankcase ventilation Removal of blow by exhaust gas inside of an engine's oil system.
PIES Product Information Exchange Standard Developed by AAIA
P/N or PN part number Used in the auto parts industry
PPM parts per million Unit of measurement
PRI Performance Racing Industry Produces a magazine for the motorsports industry.
PROM programmed read only memory computer chip that is pre programmed at the factory and can not be changed
PS power steering Steering assisted by hydraulics
PSA pressure switch assembly Sensor
PSI pounds per square inch Unit of measurement
PSP power steering pressure Hydraulic pressure
pt. pint Unit of measurement
PVA ported vacuum advance Distributor control
PVS ported vacuum switch Switch actuated by engine vacuum
PWA Performance Warehouse Association Founded in 1971, participates in jobber / retailer support programs.

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Note: An Acronym is a abbreviation that is formed using the individual letter components in a phrase, name, organization or thing. Listings on this page are used throughout the automotive industry.

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