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Automotive Technical Words and Full Forms – Complete Guide (English, Hindi & Urdu)

Introduction

Modern vehicles contain hundreds of technical terms and abbreviations. Understanding these automotive words helps technicians, mechanics, students, and vehicle owners diagnose problems, understand repair manuals, and communicate effectively in workshops.

This guide explains the most common automotive technical words, their full forms, and meanings in English, Hindi, and Urdu.

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ABS – Anti-Lock Braking System

English

Prevents wheel lock during braking.

Hindi

Brake lagane par tyre lock hone se bachata hai.

Urdu

Brake lagate waqt tyre lock hone se bachata hai.

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ECU – Electronic Control Unit

English

Main vehicle computer controlling engine and electronics.

Hindi

Gaadi ka electronic computer.

Urdu

Gaari ka electronic control computer.

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BCM – Body Control Module

English

Controls body electronics such as lights, locks, and windows.

Hindi

Lights, lock aur power windows ko control karta hai.

Urdu

Lights, locks aur power windows ko control karta hai.

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ECM – Engine Control Module

English

Controls engine functions and fuel injection.

Hindi

Engine ko control karne wala computer.

Urdu

Engine ko control karne wala module.

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CRDi – Common Rail Direct Injection

English

Advanced diesel fuel injection system.

Hindi

High-pressure diesel fuel injection system.

Urdu

Advanced diesel fuel injection system.

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TDI – Turbocharged Direct Injection

English

Turbo diesel direct injection technology.

Hindi

Turbo diesel direct injection engine.

Urdu

Turbo diesel direct injection system.

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VVT / VVTi – Variable Valve Timing

English

Adjusts valve timing for better performance and economy.

Hindi

Valve timing ko automatically adjust karta hai.

Urdu

Valve timing ko automatically control karta hai.

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VTVT – Variable Timing Valve Train

English

Variable valve timing system used by several manufacturers.

Hindi

Valve timing control system.

Urdu

Valve timing control technology.

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MPFI – Multi Point Fuel Injection

English

Fuel injected separately into each cylinder.

Hindi

Har cylinder mein alag fuel injection.

Urdu

Har cylinder mein alag fuel injection hota hai.

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SOHC – Single Overhead Camshaft

English

One camshaft operates engine valves.

Hindi

Ek camshaft valve control karta hai.

Urdu

Ek camshaft valves ko control karta hai.

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DOHC – Double Overhead Camshaft

English

Two camshafts control intake and exhaust valves.

Hindi

Do camshaft engine valves control karte hain.

Urdu

Do camshaft intake aur exhaust valves control karte hain.

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MUV – Multi Utility Vehicle

English

Vehicle designed for passenger and cargo use.

Hindi

Multi-purpose family vehicle.

Urdu

Family aur cargo dono ke liye vehicle.

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HCV – Heavy Commercial Vehicle

English

Large trucks and heavy-duty vehicles.

Hindi

Heavy commercial truck.

Urdu

Bari commercial gaari.

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LCV – Light Commercial Vehicle

English

Small commercial vehicle.

Hindi

Chhoti commercial gaadi.

Urdu

Halki commercial vehicle.

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CDI – Capacitor Discharge Ignition

English

Electronic ignition system.

Hindi

Electronic ignition technology.

Urdu

Electronic ignition system.

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CI Engine – Compression Ignition Engine

English

Diesel engine using compression for ignition.

Hindi

Compression se diesel jalta hai.

Urdu

Compression se diesel ignite hota hai.

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CNG – Compressed Natural Gas

English

Alternative fuel used in vehicles.

Hindi

Natural gas fuel system.

Urdu

Natural gas fuel.

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DFI – Digital Fuel Injection

English

Electronically controlled fuel injection.

Hindi

Digital fuel injection system.

Urdu

Digital fuel injection technology.

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DI – Direct Injection

English

Fuel directly injected into combustion chamber.

Hindi

Fuel seedha cylinder mein inject hota hai.

Urdu

Fuel seedha combustion chamber mein jata hai.

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IC Engine – Internal Combustion Engine

English

Fuel burns inside the engine cylinder.

Hindi

Fuel engine ke andar jalta hai.

Urdu

Fuel engine ke cylinder ke andar jalta hai.

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EC Engine – External Combustion Engine

English

Fuel burns outside engine cylinder.

Hindi

Fuel engine ke bahar jalta hai.

Urdu

Fuel engine ke bahar burn hota hai.

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GVW – Gross Vehicle Weight

English

Total allowable vehicle weight.

Hindi

Gaadi ka total weight.

Urdu

Gaari ka total permissible weight.

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OHV – Overhead Valve

English

Valve arrangement above combustion chamber.

Hindi

Overhead valve system.

Urdu

Overhead valve arrangement.

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4WD – Four Wheel Drive

English

Power delivered to all four wheels.

Hindi

Chaaro tyres ko power milti hai.

Urdu

Chaaro wheels ko power milti hai.

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2WD – Two Wheel Drive

English

Power delivered to two wheels only.

Hindi

Sirf do tyres ko power milti hai.

Urdu

Sirf do wheels drive hote hain.

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ESC – Electronic Stability Control

English

Helps maintain vehicle stability.

Hindi

Gaadi ko skid hone se bachata hai.

Urdu

Gaari ko phisalne se bachata hai.

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EGR – Exhaust Gas Recirculation

English

Reduces harmful emissions.

Hindi

Pollution kam karta hai.

Urdu

Emissions aur pollution kam karta hai.

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EVRV – Electronic Vacuum Regulator Valve

English

Controls vacuum-operated components.

Hindi

Vacuum control valve.

Urdu

Vacuum regulating valve.

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Wastegate Turbocharger (WGT)

English

Controls turbocharger boost pressure.

Hindi

Turbo pressure control karta hai.

Urdu

Turbo boost ko control karta hai.

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SRS – Supplemental Restraint System

English

Airbag safety system.

Hindi

Airbag safety system.

Urdu

Airbag protection system.

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OBD – On Board Diagnostics

English

Vehicle self-diagnostic system.

Hindi

Vehicle diagnostic system.

Urdu

Gaari ka diagnostic system.

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ADDITIONAL IMPORTANT AUTOMOTIVE TERMS

MAF – Mass Air Flow Sensor

Measures air entering the engine.

MAP – Manifold Absolute Pressure Sensor

Measures intake manifold pressure.

TPS – Throttle Position Sensor

Monitors throttle opening.

CKP – Crankshaft Position Sensor

Measures engine RPM and crankshaft position.

CMP – Camshaft Position Sensor

Monitors camshaft timing.

DPF – Diesel Particulate Filter

Reduces diesel soot emissions.

SCR – Selective Catalytic Reduction

Reduces NOx emissions.

ECU Flashing

Updating ECU software.

CAN Bus – Controller Area Network

Communication network between vehicle modules.

PCM – Powertrain Control Module

Controls engine and transmission.

TCM – Transmission Control Module

Controls automatic gearbox.

HVAC – Heating Ventilation and Air Conditioning

Cabin climate control system.

DRL – Daytime Running Lights

Lights used during daytime driving.

TPMS – Tire Pressure Monitoring System

Monitors tire pressure.

EPS – Electronic Power Steering

Electric steering assist system.

RPM – Revolutions Per Minute

Engine speed measurement.

DTC – Diagnostic Trouble Code

Stored fault code in ECU.

MIL – Malfunction Indicator Lamp

Check Engine Light.

ECU Remapping

Modifying engine software for performance.

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Conclusion

Understanding automotive technical words and abbreviations is essential for mechanics, technicians, automotive students, and vehicle owners. Terms such as ABS, ECU, BCM, ECM, CRDi, MPFI, VVTi, OBD, CAN Bus, TPS, CKP, and DPF are commonly used in modern vehicles and diagnostic systems. Learning these terms helps improve troubleshooting skills and makes automotive repair manuals easier to understand

ABS Ka  Anti Lock Braking system

ECU  ka Electronic Control Unit 

BCM ka body control module 

ECM ka  Engine control module

CRDI Ka Common Rail Direct Injection

TDI Ka Turbocharged Direct Injection

VTVT ka Variable Timing Valve Train

MPFI ka Multi point fuel imbuement

SOHC ka Single OverHead Camshaft

DOHC ka Double Overhead Camshaft 

MUV ka Multi Utility Vehicle

HCV ka Heavy Commercial Vehicle

LCV ka Light Commercial Vehicle

CVTi ka Charged development Variable Time Ignition

CCVTI ka Controlled Combustion Variable Timing Ignition)    CDI Ka Capacitor Discharge Ignition

C-I   ka Compression Ignition Engine 

CNG ka Compressed Natural Gas

DFI ka Digital Fuel Injection) 

D-I ka Direct Injection Engine

EC ka External Combustion Engine

FHP ka Frictional Horse Power

GVW ka Gross Vehicle Weight

IC ka ENGINE Internal Combustion Engine

IHP ka Indicated Horse Power

IMEP ka Indicated Mean Effective Pressure

ISFC ka Indicated Specific Fuel Consumption 

KHp  ka Kilometer er Hour

Kpl ka Kilometer Per Litr

OHV ka Over Head Valve  

SFC ka Specific Fuel Consumption  

VDB ka Ventilated Disk Brake

VVTi ka Variable Valve Timing

4WD ka Four Wheel Drive   

2WD kaTwo Wheel Drive

ESC ka Electronic Stability Control

EGR  ka Exhaust Gas Recirculation

EVRV ka Electronic Vacuum Regulator Valve

WGT Ka Waste Gas Turbocharger

SRS ka Airbag Supplemental Restraint System

OBD ka On Board Diagnose