00:005 Signs You Need To Replace Your Volkswagen's Coolant Temperature Sensor
00:03Are you experiencing any of the following problems when driving your VW?
00:09Rough engine idle, weak engine performance, high fuel consumption, etc.?
00:13If so, you're likely dealing with a defective coolant temperature sensor.
00:18Want to know more about the coolant temperature sensor or CTS? Please, keep reading.
00:23Coolant temperature sensor, what is it?
00:25It is a small part that has a huge impact on the overall performance of a vehicle.
00:30CTS essentially monitors the amount of heat a car engine is giving off.
00:34This data helps the engine control unit or ECU with the following things.
00:38Fuel injection, ignition timing, electric cooling fan operation, etc.
00:43A faulty CTS can give rise to numerous engine problems in a vehicle.
00:47Suspect CTS failure in your VW? Look for these signs.
00:51Number 1. Weak Engine Performance
00:53The CTS assists the ECU in regulating various aspects of engine operation.
00:58Such as, fuel injection, ignition timing.
01:02So, obviously, your VW will struggle to pick up speed if its CTS is defective.
01:08Number 2. Increased Fuel Consumption
01:10Poor gas mileage may also signify a problem with your VW's CTS.
01:15After all, it helps the ECU to dynamically adjust the air-fuel ratio within the cylinder.
01:20Number 3. Electric Cooling Fan Won't Work
01:22The ECU depends on the CTS to activate, deactivate the electric cooling fan.
01:28If the CTS is defective, the cooling fan will behave erratically.
01:32Number 4. Rough Engine Idle
01:33Cars' RPM count fluctuating at idle?
01:37The cause could be a defective coolant temperature sensor.
01:40Check if that's what the case is.
01:41Number 5. Activated Check Engine Light
01:45Dealing with an illuminated check engine light is a challenging task.
01:49And you would be surprised to learn that a faulty CTS can activate cell on your car.
01:54Check your VW's coolant temperature sensor periodically.
01:58And, if you suspect a fault in it, reach out to a trusted car mechanic.
02:02Activated Check Engine Death
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