Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSVOLKSWAGEN2002GOLF GLS, 2.0 K, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 11 (1.9L - DIESEL FUEL INJECTION - TDI, ALH, BEW (GENERIC SCAN TOOL) (A4 PLATFORM))DIESEL FUEL INJECTIONDIESEL-DIRECT FUEL INJECTION SYSTEM, SERVICINGOVERVIEW OF COMPONENT LOCATIONS
2002 Volkswagen Golf GLS, 2.0 K, Standard
Overview of component locations
2002 Volkswagen Golf GLS, 2.0 K, StandardSECTION Overview of component locations
WARNING: This page is about a different variant/trim than selected.
The following components are not depicted in the component locations overview ( Fig 1 ):
Throttle Position (TP) Sensor -G79-and Sender -2- for accelerator pedal position - G185-*
- In footwell, at accelerator pedal
- Checking, see THROTTLE POSITION (TP) SENSOR, CHECKING
The following components are displayed in the Component location overview. See Fig 1
- EGR Vacuum Regulator Solenoid Valve
- Checking, see EGR VACUUM REGULATOR SOLENOID VALVE, CHECKING
- Change -over valve for intake manifold flap -N239-
- Checking, see CHANGE-OVER VALVE FOR INTAKE MANIFOLD FLAP, CHECKING
- Positive Crankcase Ventilation (PCV) Heating Element -N79-
- Check voltage supply for PCV heating element between terminals 1 and 2 of connector with ignition switched on
Specified value: at least 11.5 V
- Diesel Direct Fuel Injection (DFI) Engine Control Module (ECM) -J248-*
- Checking voltage supply, see CONTROL MODULE FOR DIESEL- DIRECT FUEL INJECTION SYSTEM
- Replace, see CONTROL MODULE FOR DIESEL-DIRECT FUEL INJECTION SYSTEM, REPLACING
- Checking Barometric Pressure (BARO) Sensor -F96-*, see MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR AND BAROMETRIC PRESSURE (BARO) SENSOR, CHECKING
- Connector
- disengage to pull off
- Switch ignition off before disconnecting or connecting connector
- EGR Vacuum Regulator Solenoid Valve -N18-*
- Checking, see CHECKING EGR VACUUM REGULATOR SOLENOID VALVE
- Fuel injector
- Removing and installing, see INJECTORS, REMOVING AND INSTALLING
- Checking, see INJECTORS, CHECKING
- For cylinder 3 with needle lift sensor
- Check Needle Lift Sensor -G80-*, see NEEDLE LIFT SENSOR, CHECKING
- Wastegate Bypass Regulator Valve - N75-*
- Checking, see BOOST PRESSURE SYSTEM, CHECKING
- Mass Air Flow (MAF) Sensor -G70-*
- Checking, see MASS AIR FLOW (MAF) SENSOR, CHECKING
- Engine Coolant Temperature (ECT) Sensor -G62-*
- For control module for Diesel -Direct Fuel Injection System
- with Engine Coolant Temperature (ECT) Sensor -G2-
- If necessary, release pressure in cooling system before removing. Checking, see ENGINE COOLANT TEMPERATURE (ECT) SENSOR, CHECKING
- Vacuum reservoir
- 10 Nm
- Engine Speed (RPM) Sensor -G28-*
- Checking, see COMPONENTS AND FUNCTIONS, CHECKING
- O-ring
- replace
- 2-pin harness connector
- brown
- For Needle Lift Sensor -G80-
- 3-pin harness connector
- for Engine Speed (RPM) Sensor - G28-
- 10-pin harness connector
- Black
- for Fuel Temperature Sensor -G81-
- for Cold Start Injector -N108-
- For Fuel Cut-off Valve -N109-
- For Quantity Adjuster -N146-
- For Modulating Piston Displacement Sensor -G149-
- Cold Start Injector -N108-*
- Checking, see COLD START INJECTOR, CHECKING
- Fuel Cut-off Valve -N109-
- Injection pump quantity adjuster
- With Fuel Temperature Sensor -G81- *,Checking, see FUEL TEMPERATURE SENSOR, CHECKING
- With Quantity Adjuster -N146- *,Checking, see MODULATING PISTON DISPLACEMENT SENSOR AND QUANTITY ADJUSTER, CHECKING
- With Modulating Piston Displacement Sensor -G149-*,checking, see MODULATING PISTON DISPLACEMENT SENSOR AND QUANTITY ADJUSTER, CHECKING
- Manifold Absolute Pressure (MAP) Sensor -G71-* and Intake Air Temperature (IAT) Sensor -G72-
- Checking Manifold Absolute Pressure (MAP) Sensor, see MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR AND BAROMETRIC PRESSURE (BARO) SENSOR, CHECKING
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.