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 MANUALSVOLKSWAGEN2003PASSAT SEDAN (3B3) V6-2.8L (ATQ)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSCOOLANT TEMPERATURE SENSOR/SWITCH (FOR COMPUTER)SERVICE AND REPAIR
2003 Volkswagen Passat Sedan (3B3) V6-2.8L (ATQ)
Coolant Temperature Sensor/Switch (For Computer): Service and Repair
2003 Volkswagen Passat Sedan (3B3) V6-2.8L (ATQ)SECTION Service and Repair
Resistance values
The diagram applies to the Engine Coolant Temperature (ECT) sensor -G62- and for the Intake Air Temperature (IAT) sensor -G42-.
The diagram is divided into two temperature ranges:
A - from 0-50 °C
B - from 50-105 °C
Examples of how to read the diagram:
- 30 °C is in range A and corresponds to a resistance of 1.5-2.0 k Ohms
- 80 °C is in range B and corresponds to a resistance of 275-375 Ohms
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.