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5 Signs You Need To Replace Your Volkswagen's Coolant Temperature Sensor

The engine control unit or ECU relies on a number of sensors to regulate different aspects of engine operation. One of those sensors is the coolant temperature sensor or CTS. Make sure your Volkswagen's CTS is in good working condition.

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5 Signs You Need To Replace Your Volkswagen's Coolant Temperature Sensor

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  1. 5 Signs You Need To Replace Your Volkswagen's Coolant Temperature Sensor

  2. Rough engine idle Are you experiencing any of the following problems when driving your VW? Weak engine performance High fuel consumption etc…

  3. If so, you’re likely dealing with a defective coolant temperature sensor.

  4. Want to know more about the coolant temperature sensor or CTS? Please, keep reading…

  5. Coolant Temperature Sensor- What Is It?

  6. It is a small part that has a huge impact on the overall performance of a vehicle.

  7. CTS essentially monitors the amount of heat a car engine is giving off.

  8. Fuel injection This data helps the engine control unit or ECU with the following things; Ignition timing Electric cooling fan operation etc...

  9. A faulty CTS can give rise to numerous engine problems in a vehicle.

  10. Suspect CTS Failure In Your VW? Look For These Signs

  11. #1- Weak engine performance

  12. Fuel injection The CTS assists the ECU in regulating various aspects of engine operation, such as; Ignition timing

  13. So, obviously… Your VW will struggle to pick up speed if its CTS is defective.

  14. #2- Increased fuel consumption

  15. Poor gas mileage may also signify a problem with your VW’s CTS.

  16. After all, it helps the ECU to dynamically adjust the air-fuel ratio within the cylinder.

  17. #3- Electric cooling fan won’t work

  18. The ECU depends on the CTS to activate/deactivate the electric cooling fan.

  19. If the CTS is defective, the cooling fan will behave erratically.

  20. #4- Rough engine idle

  21. Car’s RPM count fluctuating at idle?

  22. The cause could be a defective coolant temperature sensor.

  23. Check if that’s what the case is…

  24. #5- Activated check engine light

  25. Dealing with an illuminated check engine light is a challenging task.

  26. And, you would be surprised to learn that a faulty CTS can activate CEL on your car.

  27. To Be Brief…

  28. Check your VW’s coolant temperature sensor periodically.

  29. And, if you suspect a fault in it, reach out to a trusted car mechanic.

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