Showing articles & questions for topic
Temperature

Related articles

Symptoms of a Bad or Failing Evaporator Temperature Sensor (Switch)
Common signs include lack of cold air coming from AC, temperature fluctuations, and the AC compressor not activating.
Is it Safe to Drive With a Fever?
A fever is considered a higher than normal body temperature. A fever can be caused by viruses, bacteria, drugs, toxins, or fungi. Normally a fever comes with other symptoms depending on the type...
How to Replace an Air Cleaner Temperature Sensor
The air cleaner temperature sensor allows the computer to adjust engine timing and air/fuel ratio. A rough idle or "engine lag" are signs of failure.
How to Replace a Cylinder Head Coolant Temperature Sensor
Signs of coolant temperature sensor failures include sluggish acceleration, hard starting, and a Check Engine or Service Engine Soon Light.
How to Replace an Ambient Temperature Sensor
The ambient temperature sensor monitors the car's temperature inside and out. This sensor allows the AC to maintain comfortable cabin temperatures.
How to Replace an Evaporator Temperature Sensor (Switch)
The air conditioning system has an evaporator temperature sensor that fails when there is no cold air or the air conditioning is inconsistent.
What Does the Coolant Temperature Warning Light Mean?
The coolant temperature warning light turns on when your engine is sensed to be too hot and is at risk of damage from overheating.
Symptoms of a Bad or Failing Battery Temperature Sensor
Common signs include engine surging, low battery voltage, and an illuminated Battery Light.
How to Diagnose a Cooling System Problem
You may be driving down the road or sitting at a stop light when you first notice the temperature gauge in your vehicle starting to climb. If you let it go...
How to Replace a Coolant Temperature Sensor
The coolant temperature sensor switch is not working if the engine emits black smoke. The switch may have failed if the car gets poor fuel economy.
How to Replace a Manifold Temperature Sensor
Signs of a failing manifold temperature sensor include rough idling and a rough running engine, and may result in a failed emissions test.
How to Replace a Car Battery Temperature Sensor
The battery has a battery temperature sensor that fails when the Check Engine Light comes on, the battery voltage is low, or the RPM curve surges.
How to Replace an Exhaust Gas Recirculation (EGR) Temperature Sensor
Exhaust gas recirculation (EGR) temperature sensors monitor the EGR cooler's operation. One is on the exhaust manifold and one is near the EGR valve.
How to Replace the Oil Temperature Sensor on Most Cars
Oil, as well as the oil temperature sensor, is crucial to the engine lubrication system. A bad sensor can lead to leaks and poor vehicle performance.
3 Essential Things to Know About Your Car’s Temperature Gauge
The temperature gauge in your vehicle is designed to measure the temperature of your engine’s coolant. This gauge will tell you if your engine’s coolant is cold, normal, or overheating. It is an important...

Related questions

Question
Temp gauge goes down at 65mph.
Have you had any recent cooling system services done to the vehicle or noticed any leaks? An air bubble in the system from improper bleeding or a fluid leak may be circulating through the system and causing a fluctuation in...
Question
Temperature gauge maxed out
If the temperature gauge is pegged all the time, the problem is electrical. While the issue could be with the gauge or wiring, the most likely cause is a failed temperature sending unit. The sending unit is located to the...
Question
Car gets too hot before the fans come on.
This is a common sign of a faulty coolant temperature relay. This is a relay that monitors the temperature of the coolant and relays this information back to the computer which then uses this information to make many different decisions...
Question
Possible car overheating
This can be caused by a number of things such as low coolant levels, a faulty thermostat, or a faulty temperature sensor. The temperature sensor relays the temperature of the coolant to the car's computer that uses this information for...
Question
Engine gets hotter sitting in traffic - 2007 Chevrolet Malibu
Hi there. This could be normal operation, but the cooling fans could be starting to have issues. Perform a visual inspection of the cooling fans to make sure when they come on that they operate properly; they should move a...
Question
Temperature gauge jumping
Hello. If possible, it would be good to verify coolant temperature (with a laser thermometer or similar), to confirm that your temperature sensor and gauge are reporting temperature correctly. If so, it's possible that you have a blown head gasket...
Question
My heater blows out warm air instead of hot air when my temperature dial is turned as hot as it can go.
Hello there, warm air coming from the vents on your 2001 Ford Taurus will be caused by a variety of issues. The heating system for your vehicle and the air conditioning system are completely separate and likely unrelated. A low...
Question
Brake Light on, ABS light on, speedometer to zero and temperature some to zero. This problem sometimes occur and it's not usual.
Hello. Sounds like you have multiple problems. Check fuses first of course, then check the brake light switch, are brake lights coming on when you press the pedal? Get the problem codes from the ABS system - it's possible there...
Question
Temperature problem
This can be caused by a number of things such as low coolant levels, a faulty thermostat, or a failing coolant fan switch. As you may know the coolant fan switch helps to maintain the proper coolant temperature by turning...
Question
What would cause the temperature gauge to go cold to hot then back to cold
The engine temperature is regulated by the thermostat opening and closing to maintain the engine temperature. The cooling fan clutch also will maintain the engine temperature to keep a controlled air flow across the radiator to maintain the engine temperature....
Question
Can you tell me if my transmission is running too hot. 2014 Jeep Grand Cherokee
Hi there. The transmission temperature that you are referring to is normal. The transmission on this vehicle does run slightly higher than the cooling system temperature. Most of the time it should run about 210-220. If you want to get...
Question
Engine temperature
Hi there. In most cases, the engine's operating temperature will decrease during normal city driving as this is usually when the thermostat opens and allows the radiator to circulate coolant through the motor and to be cooled by the fans....
Question
My trucks temperature gauge went up and won't start now
This truck has no carburetor. If there is a problem with spark, sometimes you will be able to smell fuel from the exhaust while the engine is turning over and failing to start. If so, there is some fuel making...
Question
Broken heater
If everything in the cooling system has been eliminated as a cause - coolant level, flow, thermostat operating properly, etc., the issue may lie with the heater controls inside the vehicle. Within the "heater box" under the dash is located...
Question
Yes I have 1973 Chevy dump truck the temperature connecter coming from electric thermostat melted all the way to my dash.
Hi there. Check the temperature sensor on the engine. If the wiring melted off, then the sensor has caused a short to ground on or near the wire. This will heat up the wire and make it burn. If the...
Question
Temperature gauge does not work - 1998 Mercury Grand Marquis
You will need to test the computer to scan for data of the temperature sensor to see if the computer is reading the correct temperature as tested externally on the coolant sensor. If the sensor is not accurate then replace...
Question
My car will not start when the outside temperature is very cold
Several things can cause these starting issues. Is the vehicle attempting to crank over, or does the starter not engage to begin with? Always start by making sure all the electrical connections are clean, dry, and tight. Your particular make...
Question
About every 2-3 weeks the car will just stall, usually when stopped or slowing down. What is wrong?
This may be related to a dirty or failing idle air control valve. The idle air control valve reads the air intake as it is mixed with fuel prior to being injected into the engine at low speeds and at...
Question
Is it possible to crack an engine block by flushing the radiator?
Hi there: Is it possible - certainly. If the engine block is hot and the coolant being flushed is cold, it's actually rather simple for small cracks to develop inside the water passageways. It really depends on the condition of...
Question
Won't crank after being driven, have to cool down first then it will crank
Hi there: There are several reasons why your 1996 Dodge Ram might not start when the engine is hot. Some of the common issues include a reduction of volume produced by the fuel pump, spark plugs that are damaged, ignition...

Need a mechanic?

Our certified mobile mechanics make house calls in over 700 U.S. cities. Fast, free online quotes for your car repair.

Get a quote

Post a question and get free advice from our certified mechanics.


Ask a question