Reconnect the wiring connector. Signs of a bad head gasket include: rough idle. gauge goes up like normal and starts blowing Check the temperature sending unit. Air in the cooling system can also cause the temperature gauge to stay cold if there is an air bubble right at the sensor spot. Blazer Reflash. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. The most common reasons as to why this happens are: Low battery of the key or the remote control: the chip will not send the signal. If you cannot find any problem with the fuse, remove the whole instrument panel, and check the gauges individually for power. this does not mean the sensor is defective, it most likely means the engine thermostat is stuck open and the engine is not running hot enough to satisfy the computers preset temp requirements for minimum eng operating temp. a lot of white smoke from the exhaust. You may be tempted to leave it but you shouldnt. Hopefully youve caught your bad thermostat before this has happened. On the other hand, it could be due to a defective coolant temp sensor or a bad temperature gauge Here is a more detailed list of the reasons why your car temperature gauge goes up and down: 1. If the speedometer doesn't move, disconnect the cable from the speedometer and turn it manually. xcolor: How to get the complementary color. If you want to learn more about this, you can check out our guide: Coolant Bleeding. The speedometer is physically coupled to the transmission via a cable in vehicles that use cables. If you can find the temperature readings in the engine control unit but not at the cluster, you have to make sure that they are using the same sensor. If you have reason to believe its gone bad, ignoring it will only end up costing a lot more money in the long run. What Causes the Instrument Cluster to Stop Working? 5 Causes & How To Fix, 5 Symptoms Of A Broken Coil Spring and Replacement Cost, 6 Symptoms Of A Loose Alternator Belt And Replacement Cost, 6 Symptoms Of A Bad Valve Seal and Replacement Cost, 4 Symptoms Of A Bad Starter Relay and Replacement Cost, Car Rattles When Accelerating Causes & Fixes, Car Leaking Oil? thermocouples) work: they offer less resistance to electrical current as temperature goes up, i.e. As such, your gauge may be producing false readings. Replacing the instrument cluster can cost between $880 and $1,000. Common Causes & How To Fix It, Electric Parking Brake Problems Causes & Fixes, Oil Coming Out Of Exhaust Causes & Fixes. Since cruise control also uses the speed sensor, it wont operate correctly, or at all, if the sensor is bad. In other clusters, you might have to replace the whole instrument cluster. As we talked about, the most common problem with a faulty engine temperature reading is the coolant temperature sensor itself sending wrong information to the cluster. 2010 Aveo 5 speed. It only takes a minute to sign up. I have a 2010 Chevy Aveo. the temp gauge is not working I Flashing hold light-no a/c-dead temperature gauge, Coolant temperature gauge not working properly (fixed: thermostat), AveoForum.com - Chevrolet Aveo Owners Club. what would cause my temperature gauge not to work and engine - CarGurus Any capable mechanic should be able to rectify this. If your gauges dont work and your dash lights and indicators also fail to illuminate, thats a clue that there may be a ground issue. Similar tests can be performed on all of the gauges in your instrument cluster, although the specific procedures can differ from one application to another. Blower Motor bad - not resistor?! - Chevrolet Forum - Chevy Enthusiasts Otherwise, youll have to take it to a mechanic. Based on previous transmission concerns, the operation of the CVT transmission is highly dependent on how well the engine is running. Sensors in the vehicle generate signals that send to the cars computer. A malfunctioning circuit within the temperature gauge. Tech Tip - Temperature Gauge Not Working! - YouTube If the coolant is low and to the point it is not touching the tip of the temperature sensor, it will delay the signal to the gauge and the engine may be to the overheat level before the gauge moves. AC does not blow cold and the temp gauge does not even register . However, most temperature gauges are integrated with the instrument cluster on modern cars. If this gets stuck wide open, the temperature might not reach the optimal level. I use a bluetooth unit with torque on an android tablet personally, but there are many options available. While youre at it, use compressed air to remove dust and a microfiber cloth to clean the clear plastic. The gauge is at its lowest possible reading, so if you know it isn't right that indicates there is no voltage on the circuit, indicating a break in the wiring or loose connection, Computer failure: the car's computer(s) may have a problem and be misreading the sensor, or displaying the sensor incorrectly, There could be a problem in the instrument cluster electronics. You can also test the cluster temperature gauge with an Ohm tester if you have some knowledge. While many vehicles have gauges that show specific information about everything from the state of the charging system to the temperature of the coolant, some cars and trucks have warning lights. When do you use in the accusative case? He also rips off an arm to use as a sword, Folder's list view has different sized fonts in different folders. But when the gauges in your car stop working, its not a situation you can safely ignore. 7 Reasons Why Your Car Temperature Gauge Stays on Cold, 1. Q&A for work. This is usually the case when the sensor starts to read the coolant temperature wrongly. The sound you're hearing may be caused by an exhaust leak (https://www.yourmechanic.com/article/is-it-safe-to-drive-with-an-exhaust-leak). The contact stated that while driving at an undisclosed speed, the vehicle shuddered with the check engine warning light illuminated. I was able to run real-time OBD thanks to GdD's answer, and coolant got up to 138 F after a ten minute drive, and temperature gauge on dashboard still at "C" so likely wiring/sensor. It's also possible that there is air in the cooling system. Wait to see if the temperature . If you are not comfortable doing this yourself, take it to a mechanic or dealer. Lift the hood and observe the coolant tank. SWAG OIL PRESSURE SENSOR GAUGE 40 91 7665 G FOR CHEVROLET AVEO - eBay Start and idle the engine, and backprobe the connector terminals with the test light. Low Coolant- If your Aveo has been losing coolant, its possible that youve finally leaked out enough that the cooling system can no longer do its job. What Causes a Car's Electrical System to Shut Down? Different vehicles have varying self-check procedures. The most common reason why your cars temperature gauge stays on cold is a faulty coolant temperature sensor. Being on the road without working warning indicators is dangerous. Viewed 2k times 1 My 2009 Chevy Aveo 5 with automatic transmission has an issue that started today; on the way home on the freeway, the HOLD light started flashing. 85241 Answers. Depending on how many gauges in your instrument panel are left working, you may need to perform either a gauge or sensor diagnostic test. Intermittent AC Off due to High Temp. Make sure to include all other vehicle sensors. Speedometer Not Working: Causes & How to Fix, Check Gauge Light Meaning (How to Fix & Reset). On all vehicle since the early to mid 80s, a sensor failure or OPEN or SHORT in the wiring will leave a CODE stored in the vehicle Electronic Control Module (ECM) diagnostic memory leaving the Check Engine light illuminated. My temp gauge isn't working (stuck on cold) thus making the AC not work and my radiator fans run max. If I had a picture or diagram of the routing of the a/c system than maybe I could find it. Is it safe to publish research papers in cooperation with Russian academics? In the old days, power flowed through the ignition switch and down to the starter solenoid. The gauge will read below the regular temperature. You should probably have a professional mobile mechanic come to your location and complete a temperature gauge inspection. engine light came on and the temp gauge Two MacBook Pro with same model number (A1286) but different year, A boy can regenerate, so demons eat him for years. It is pretty easy to diagnose this by yourself. However it could be a symptom of the problem. Manually turning the end of the cable that inserts into the transmission with your fingers should cause the speedometer to move. Broken thermostat. In this case, you will need to change the whole instrument cluster since the gauge is integrated into the cluster. This should fix the problem that you are having with your odometer and speedometer. We have a trouble code library here at Mechanic Base where you can find information on many trouble codes you may encounter. Wheel locked, brake pedal wont go down, shift wont move and ignition wont turn? It should be hot after running your engine for this long. You can easily diagnose this issue with the help of a multimeter. The check gauges light specifically indicates the occurrence of a malfunction that requires inspection, service, or repair. Check for any broken wires between these components. When the cap is loose, it can result in inconsistent temperature signals. Not sure if your car has one or two temp sensors some have one for the gauge and one for the computer. Sounds like that the CV shaft (https://www.yourmechanic.com/services/axle-cv-shaft-assembly-replacement) is failing on that side of the vehicle. Faulty wiring is one of the most common culprits when this issue arises. During these times, your dash simply needs a reset. 12 people found this helpful. Initiate the instrument cluster self-test - iFixit Repair Guide 2010 Chevy Aveo AC clutch not engaging. If one or more warning lights fail to illuminate when you first turn the key on, it usually indicates a blown bulb. Bad Radiator- If the radiator has been clogged enough that coolant can no longer pass through efficiently, your Aveo will overheat. This keeps the coolant from entering the engine. The fuel door on this van also has a safety switch inside the door that will disable the automatic side door if the fuel door is open. My temperature gauge quit working. What could it be? - iFixit as it gets hotter the voltage on the circuit goes up. What If the Indicator and Dash Lights Dont Work Either? If its a one wire sender ground the wire to a know good ground.