Usually, the location of the coolant temperature sensor will be located directly behind the coolant pipe. In most modern cars and vehicles, this is present behind the right cylinder head that is located right underneath of the air intake pipe. If the coolant temperature sensor goes bad it can send a false signal to the computer and throw off the fuel and timing calculations.
This will cause the computer to think the engine is cold, even when it is not, and as a result will use more fuel than necessary. It is possible to drive a vehicle with a faulty coolant temperature sensor as the management system defaults to a static reading.
A vehicles coolant sensor is a critical component used by the engine management system. It directly effects, cooling and fueling of the engine and therefore effects how the engine performs. The actual process of replacing the coolant temperature sensor is extremely simple. However, the difficult work comes in the preparation of the cooling system — both before and after. Tip: This job should only be completed when the engine is cold and has not been running for a minimum of one hour.
This range does not include taxes and fees, and does not factor in your specific vehicle or unique location. The temperature is then sent to the on-board control system.
As the control system receives the temperature from the CTS, it may trigger the cooling fan to either shut off or turn on. Most of the time it is close to the thermostat of the cooling system, or in some cases even inside of it. Note: Some engines may actually have a pair of sensors—one sending information from the engine to the control unit, the other sending information from the control unit to the dash.
This is less common these days, but two-sensor cars certainly still exist. As with any part of the vehicle, the coolant sensor is not made to last forever. Simple wear and tear can sometimes cause a sensor to go bad. Note that, in most cars, a problem with the sensor will trigger a Check Engine Light, notifying you to take your car in for an inspection. Bring your vehicle into your local Meineke Car Care Center and a certified technician will be able to evaluate and diagnose the problem.
Thermometrics Ambient Air Temperature Sensor measures the temperature outside the passenger compartment and is usually mounted inside or near the front bumper. The sensor provides input to automatic HVAC systems to help control the interior temperature of the automobile. The computer uses this input, along with other in-car temperature sensors, to control temperature and blower speed.
The ambient air temperature sensor monitors ambient air and sends the data it has gathered to the PCM.
This information is used to display outside air temperature and to modify the operation of the automatic climate control system if needed. Here are signs you may have a malfunctioning furnace control board: Uncomfortable temperatures: If your furnace starts to make you either too hot or too cold, and the thermostat settings seem fine, then the problem might be a control board that is turning components off too soon or letting them run too long.
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