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 79 (1.8L - IGNITION/GLOW PLUG SYSTEM - AWW, AWP (A4 PLATFORM))IGNITION/GLOW PLUG SYSTEMIGNITION SYSTEM, SERVICINGMISFIRING RECOGNITION, CHECKINGTEST SEQUENCE
2002 Volkswagen Golf GLS, 2.0 K, Standard
Test sequence
2002 Volkswagen Golf GLS, 2.0 K, StandardSECTION Test sequence
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- Connect V.A.G 1551 scan tool ((V.A.G 1552). Start engine and select "Address word" 01 of engine control module. Engine must be running at idling speed.(Connecting scan tool and selecting engine control module, see VAG1551 SCAN TOOL, CONNECTING AND SELECTING ENGINE CONTROL MODULE .)
Indicated on display:
- Press keys 0 and 8 for function "Read measured value block" and confirm entry with Q key.
Indicated on display:
- Press keys 0, 1 and 4 for "Display group number 14" and confirm entry with Q key.
Indicated on display:(1 to 4 Display zones)
- Check total number of misfires in display zone 3.
- Check misfire recognition status in display zone 4.DISPLAY GROUP 14: IGNITION, MISFIRE RECOGNITION (WHILE DRIVING)
Display zones 1 2 3 4 Display group 14: Ignition, misfire recognition (while driving) Display xxxx rpm xxx.x% xxx Activated
BlockedIndicated Engine speed (in 40 steps) Engine load Exhaust damaging misfires (Total) Misfire recognition status Specification 640 to 6500 rpm 10.0% 0 activated --- --- If the specification is not obtained, see EVALUATING DISPLAY GROUP 14, DISPLAY ZONE 3 - TOTAL NUMBER OF EXHAUST DAMAGING MISFIRES .
If the specifications are obtained:
- Press -->key.
- Press keys 0 and 6 for "End output" function and confirm input with Q key.
- Switch ignition off.
If the specifications are not attained:
- Change to display group 15 as follows:
- Press key 3 ((V.A.G 1551) or key (V.A.G 1552).
Indicated on display:(1 to 4 Display zones)
- Check misfiring in display zones 1 to 3.
- Check misfire recognition status in display zone 4.DISPLAY GROUP 15: IGNITION, MISFIRE RECOGNITION (WHILE DRIVING)
Display zones 1 2 3 4 Display group 15: Ignition, misfire recognition (while driving) Display xxx xxx xxx Activated
BlockedIndicated Exhaust damaging misfires Cyl. 1 Exhaust damaging misfires Cyl. 2 Exhaust damaging misfires Cyl. 3 Misfire recognition status Specification 0 0 0 activated If the specification is not obtained, see Evaluating display groups 15, display zones 1 to 3 and display group 16, display zone 1 - total number of exhaust damaging misfires Cyl. 1 to Cyl.4 .
If the specifications are obtained:
- Change to display group 16 as follows:
- Press key 3 ((V.A.G 1551) or key (V.A.G 1552).
Indicated on display:(1 and 4 Display zones)
- Check misfiring in display zones 1 to 3.
- Check misfire recognition status in display zone 4.DISPLAY GROUP 16: IGNITION, MISFIRE RECOGNITION (WHILE DRIVING)
Display zones 1 2 3 4 Display group 16: Ignition, misfire recognition (while driving) Display xxx activated
deactivatedIndication Emissions damaging misfire cyl. 4 Status of misfire recognition Specification 0 activated If the specification is not obtained, see Evaluating display groups 15, display zones 1 to 3 and display group 16, display zone 1 - total number of exhaust damaging misfires Cyl. 1 to Cyl.4 . - Press -->key.
- Press keys 0 and 6 for "End output" function and confirm input with Q key.
- Switch ignition off.
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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.