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 97 (1.8L - GENERIC SCAN TOOL, ENGINE CODE(S): AWP, AWW, AWD (A4 PLATFORM))ST - GENERIC SCAN TOOLDIAGNOSTIC MODESDIAGNOSTIC MODE 08: TANK LEAK TESTFUNCTION TEST
2002 Volkswagen Golf GLS, 2.0 K, Standard
Function test
2002 Volkswagen Golf GLS, 2.0 K, StandardSECTION Function test
WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2006 Volkswagen GTI, 2005 Volkswagen Jetta, 2005 Volkswagen GTI, 2004 Volkswagen Jetta, and 2004 Volkswagen GTI. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- If the accelerator pedal is depressed during the test, the test will be aborted.
- Connect the scan tool.
- Start the engine and run at idle for at least 15 minutes.
- Select "Mode 8: Tank Leak Test".
- Select " Tank Leak Test".
- Check the specified value of the tank leak test at idle.
- The following may be displayed on the scan tool screen:
| Tank leak test | Specified value | |||||
|
Test OK | |||||
- Switch the ignition off.
If the specified result is obtained:
System OK.
If the specified result is not obtained:
- Repeat the tank leak test, switch the ignition off and start the engine again and let run for 15 minutes at idle.
- Switch the ignition off.
If the specified result is again not obtained:
- A leak may be present. Refer to → Evaporative Emission (EVAP) canister system, checking for proper seal .
End diagnosis.
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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.