General Auto Information Abbreviation Directory

"P"

P - Park
P/B - Power Bakes
P/C - Printed Circuit
P/N - Part Number
PA - Pressure Air
PAIR - Pulsed Secondary Air Injection
PAS - Power-Assisted Steering
PCM - Powertrain Control Module
PCS or PC-SOL - Purge Control Solenoid
PCV - Positive Crankcase Ventilation
PECV - Power Enrichment Control Valve
PFI - Port Fuel Injection
PGM-FI - Programmed Fuel Injection
PID - Parameter Identification
PIP - Profile ignition pick-up
PNP - Park Neutral Position Switch
P/N - Park/Neutral
PPM - Parts Per Million
PRNDL - Park Reverse Neutral Drive Low
PROM - Program Read Only Memory (chip)
P/S - Power Steering
PSI - Pounds Per Square Inch
PSP - Power Steering Pressure
PSPS - Power Steering Pressure Switch
pts. - Pints
PTC - Pending Trouble Code
PTC - Positive temperature coefficient Additional : This is applied to the way the resistance of a thermistor varies with temperature. In this case, the resistance will increase as the temperature raises
PTO - Power Take-Off
Pwr. - Power
PWR - Power to Weight Ratio

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