Black or Gray Smoke Pouring Out of Your Harley's Exhaust This problem costs you money every mile you ignore it. Poor mileage is an urgent symptom that something is wrong with your engine. Unfortunately, this is bound to happen if your Harley has a defective engine temperature sensor. The last thing you need is your Harley developing a thirst for the back gold. a false cold reading, a disproportionate fuel-air mixture will increase your Harley's fuel consumption. When a defective sensor sends the incorrect signal to the ECU, e.g. A yellow warning light may also come on if your engine temperature goes higher than the recommended range. If your Harley Davidson's ominous check engine light is displaying, you should take it to a licensed mechanic as soon as possible. They only light up when the ECU detects a significant internal malfunction of some or one of your components. The dashboard lights on your Harley should not be ignored. Now that you know your sensor's crucial function let us look at some typical signs that it is going haywire. ![]() ![]() Symptoms of a Faulty Engine Temperature Sensor in Your Harley This will cause your Harley to misbehave in the manner described below. When your engine temperature sensor is damaged, it will relay incorrect information to the ECU, which calculates the wrong ignition time and fuel injection. Your ECU uses this data to calculate the optimal among of fuel to be injected and the precise ignition timing. The optimal operation of the sensor ensures the ECU releases the correct amount of fuel for your engine's efficient performance. It then relays this information to your ECU. ![]() The sensor uses electrical resistance principles to detect the temperature of the coolant. Instead, the sensor detects the temperature of your Harley's coolant. The Function of Your Engine Temperature SensorĮngine temperature sensors do not detect the temperature of your engine directly. Causes of engine temperature sensor malfunction.How to find your Harley's the engine temperature sensor.What to do when your engine temperature sensor malfunctions.How to spot the signs of a failing engine temperature sensor.Why your engine temperature sensor is vital to your Harley engine's optimal functioning.
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