AbbreviationDescriptionA/CLLocated in the waiting cleanerA/CL DVAir Cleaner Diverter ValveA/CL BI METAir Cleaner Bi-Metallic ValveA/CL CWMAir Cleaner Cold Weather ModulatorACTAir fee Temperature Sensor, prior to 1992ACTSAir Cleaner Temperature SensorACVAir regulate ValveAIRThermactor, short for thermal Reactor. CA vehicles are mounted with it together standard. Air Injection Reaction is what the stands for.AIR BPVAIR Bypass (AIRB) Valve; additionally called the TAB (Thermactor waiting Bypass) ValveBVBowl Vent (on height of the rise tanks)CARBCarburetorCBDClosed bowl DistributorCPRVCanister Purge ValveDISTDistributorDPFEDifferential pressure FeedbackDV-TWTwo Way delay ValveEFCAElectronic Fuel control Assembly / (Fuel press Regulator (FPR)EGRExhaust Gas RecirculationEGRC/EGRVEGR Vent/EGR ControlEXH HCVExhaust Heat regulate ValveEVPEGR Valve PositionEGRValve PositionEVREGR Vacuum Regulator; additionally called EGR Vacuum SolenoidFLTRFilterFPRFuel push Regulator (check vacuum line)HEAT VLV INTHeat Vacuum control Valve Intake, (next to carb)HICVHot Idle manage ValveIATIntake wait Temperature Sensor (Air charge Temperature (ACT), before 1992IVVThermactor Idle Vacuum ValveLCVEGR pack ControlMAN VACManifold vacuum-Vacuum source; usually ref. To as Vacuum Tree atop input manifoldMAPManifold absolute PressurePCVPositive Crankcase VentilationPURGEVapor Canister Purge ValvePVPorted VacuumPVSPorted Vacuum move (PVS) ValveSSpark portSA-FVSeparator Assembly Fuel/VacuumSOLVThermactor Solenoid ValveSV CBVCarborator Fuel key Solenoid Vent ValveTCACThermostatically controlled Air CleanerTCPTemperature Compensated Accelerator PumpTKThrottle KickerTVSThrottle Valve Solenoid (aka Solepot, Dashpot) OR Temperature Vacuum SwitchTVVThermal Vacuum Valve OR Thermostatic Vacuum Valve (aka ported Vacuum Switches; thermal Vacuum Valve)VACVacuumVCKVVacuum inspect ValveVCVVacuum control ValveVDVVacuum delay ValveV CK V or VCVVacuum examine ValveVOTMVacuum Operated accelerator ModulatorVRDVDistributor Vacuum hold-up Valve (VDV, VRDV, DV-TW)VRDVVacuum hold-up Valve (VDV, VRDV, DV-TW)VRESERVacuum Reservoir (coffee can layout in previously years; replaced by plastic style)VRESV RESTon previously years such together SEABRONC’s 83 is a Vacuum Restictor/delay valve, that delays vacuum because that a details amount the timeVRVVacuum Regulator ValveWOTWide open Throttle Valve