But, it is advisable to replace the entire reservoir since a new one is reasonably inexpensive and comes with a new sensor.Ī leaking coolant reservoir is another common cause. This could be the issue if your Range Rover displays a low coolant level notification even though the coolant is at the recommended level.Ī simple sensor replacement will resolve the low coolant level warning. The sensor in this vehicle is known to malfunction sooner than you would anticipate. Range Rovers, unfortunately, are particularly prone to this problem. If this sensor malfunctions, it will give the ECU the incorrect signal, leading it to believe that your engine doesn’t have enough coolant when there is plenty. The sensor keeps track of the amount of coolant in the system and notifies the ECU when it is low. Causes of the Low Coolant Level IndicatorĪ malfunctioning coolant level sensor is the main reason why your Range Rover displays a coolant level low fault notice.
Coolant light on but not overheating driver#
Additionally, it resolves the failure to warn the driver of dangerously low coolant levels. It fits with most of the Range Rover models and resolves the problem of a false “Coolant Level Low” indicator light. A common coolant level sensor for Range Rover is the PCJ500030, known as Coolant Bottle Low-Level Sensor. It monitors the control module’s coolant temperature. A faulty sensor, rather than a low coolant level, is often the cause for this alert.Ī coolant temperature sensor is crucial for optimum engine operation. The sensor is located in your vehicle’s coolant reservoir (expansion tank). When the coolant level drops below a predetermined level, a signal is sent to the car’s Electronic Control Unit (ECU) by a coolant level sensor. The issue has been reported on Range Rover Sport and Evoque models. One of the most frequent issues with Range Rover vehicles is the “Coolant Level Low” alert. Faulty hoses, sensors, or gaskets may cause leaks. A leaking coolant system is the most frequent cause of a low coolant level. The low coolant level in the vehicle spells trouble since it can cause overheating. But if the light is on, and the coolant is leaking significantly, don’t try to make it on your own, have a certified mechanic take a look at it for you.A coolant is a fluid that controls your car’s temperature. If topping off the coolant is all that is needed to get to the garage, you can look to do it yourself or have a mechanic do it for you. So, if your Coolant Pressure Light suddenly comes on, get to the side of the road as quickly as you can. So, is there a safety issue? Well, if your vehicle stops suddenly on the highway due to sudden overheating, that could be dangerous. Your Coolant Pressure Light could also come on because your radiator cooling fan is damaged, your radiator is clogged, you have a bad water pump, your serpentine belt has broken, or your catalytic converter has gotten plugged.
If the problem is due to low coolant, though, this will not likely help. If your engine has overheated temporarily due to extremely hot weather, or because you have been hauling a heavy load, it may help to turn your heater on high and turn your air conditioning off. In warm temperatures and desperate situations, plain water will suffice to get you to the garage. If the level of coolant is low, a mixture of 50% distilled water and 50% antifreeze can be added. If you remove the radiator cap or open the coolant reservoir before the engine has had a chance to cool sufficiently, the buildup of steam inside the cooling system could give you a very nasty burn.
If your Coolant Pressure Light comes on, what should you do?įirst, pull over immediately and turn off your engine.Ĭheck your coolant level, but don’t do it until your engine has cooled down. An overheated engine can cause incredible damage – failed head gaskets, damaged pistons and valve stems, and distortion or cracks in the cylinder heads. So, can you drive safely with your Coolant Pressure Light on? The short answer is that it probably won’t get you killed, but it could mean death to your car engine. Your Coolant Pressure Light comes on when your engine is overheating due to insufficient coolant.
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