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 7 (1.9L - DIESEL FUEL INJECTION - ALH, 2V TDI (A4 PLATFORM))
2002 Volkswagen Golf GLS, 2.0 K, Standard
Section 7 (1.9L - Diesel Fuel Injection - ALH, 2V TDI (A4 Platform))
2002 Volkswagen Golf GLS, 2.0 K, StandardSECTION Section 7 (1.9L - Diesel Fuel Injection - ALH, 2V TDI (A4 Platform))
WARNING: This page is about a different variant/trim than selected.
- Diesel direct injection system, servicing
- General information
- Safety precautions
- Rules for cleanliness
- Component locations, overview
- Injection pump, servicing
- Intake manifold flap, servicing
- Injection pump, removing and installing
- Start of injection, dynamically checking and adjusting
- Injectors, removing and installing
- Injectors, checking
- Injection timing device cover gasket, replacing
- Diesel fuel injection components and functions, checking
- Diesel direct injection system voltage supply, checking
- Engine Speed (RPM) Sensor -G28-, checking
- Manifold Absolute Pressure (MAP) sensor -G71- and Barometric Pressure (BARO) sensor -F96-, checking
- Test sequence
- Engine Coolant Temperature (ECT) sensor -G62-, checking
- Checking intake manifold temperature sensor
- Fuel temperature sensor -G81-, checking
- Modulating piston displacement sensor -G149- and quantity adjuster -N146-, checking
- Needle lift sensor -G80-, checking
- Diesel injection timing control range, checking
- Mass Air Flow (MAF) sensor -G70-, checking
- Change-over valve for intake manifold flap -N239-, checking
- Additional signals, checking
- Diesel Direct Fuel Injection (DFI) Engine Control Module
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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.