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 MANUALSVOLKSWAGEN1999GTI (1W1) V6-2.8L (AAA)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSOXYGEN SENSORLOCATIONSCONNECTOR LOCATIONS
1999 Volkswagen GTI (1W1) V6-2.8L (AAA)
Connector Locations
1999 Volkswagen GTI (1W1) V6-2.8L (AAA)SECTION Connector Locations
S107, S108, T4:
Component Location View
T4:
Component View
T4 4-pin connector
- Black Above Steering Gear
- For heated oxygen sensor, G39
S107, S108, T4:
Component Location View
T4:
Component View
T4 4-pin connector
- Brown, Above Steering Gear
- For heated oxygen sensor 2, G108
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.