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 CARSECTION 98 (1.9L - FUEL INJECTION GLOW PLUG, ENGINE CODE: ALH (A4 PLATFORM))01 ON BOARD DIAGNOSTIC (OBD)READINESS CODEREADINESS CODE, SETTINGWORK SEQUENCE
2002 Volkswagen Golf GLS, 2.0 K, Standard
Work sequence
2002 Volkswagen Golf GLS, 2.0 K, StandardSECTION Work sequence
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2001 Volkswagen Jetta, 2001 Volkswagen Golf, 2000 Volkswagen Jetta, 2000 Volkswagen Golf, and 1999 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.
Work step: 1
- Start engine and let idle for 35 seconds minimum.
Work step: 2
- Road test. Vehicles with manual transmission: in 3rd gear. Vehicles with automatic transmission: in 2nd gear.
NOTE:
- Observe safety procedures during test drive → Safety precautions .
- Drive for at least 5 seconds at a constant engine speed of 2000 RPM (observe tachometer).
Work step: 3
- Accelerate at Wide Open Throttle (WOT) from 2200 RPM for at least 8 seconds.
Work step: 4
- Switch engine off and wait 10 seconds minimum.
- Repeat test steps 1 to 3.
Work step: 5
- Read readiness code → Readiness code, displaying .
If readiness code is not OK:
- Check DTC memory for stored DTCs, if so correct → Diagnostic Trouble Code (DTC) memory, checking and erasing .
- Perform work steps again.
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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.