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 (1J1) L4-2.0L (AEG)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSCOOLANT TEMPERATURE SENSOR/SWITCH (FOR COMPUTER)LOCATIONS
1999 Volkswagen GTI (1J1) L4-2.0L (AEG)
Coolant Temperature Sensor/Switch (For Computer): Locations
1999 Volkswagen GTI (1J1) L4-2.0L (AEG)SECTION Locations
Component Locations, Overview:
13 - Engine - Coolant Temperature (ECT) sensor -G62-
- Blue
- For Engine Control Module (ECM)
- With Engine Coolant Temperature (ECT) sensor -G2-
- If necessary, release pressure in cooling system before removing
- Checking. Testing and Inspection
- Connector terminals -1- and -3- for Engine Coolant Temperature (ECT) sensor -G62-
- Terminals -1- and- 3- are gold plated
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.