Sep 10, 2020 · Ford Year: Non. UK/Ireland Location: Suffolk. Posted September 11, 2020. If you've disconnected the battery for any reason, it can take a few days before the temp becomes accurate again. Don't ask why though! Showing hot may affect the smart battery charging. Showing cold may stop the AC compressor kicking in. Aug 1, 2021 · Some cars have two battery sensors, one on each terminal. How the battery sensor works: it measures the current to and from the battery. The sensor may also monitor the voltage, state of charge and state of health of the battery (aging). In some cars, it even measures the temperature of the battery. The vehicle computer (BCM or PCM) uses these Sep 28, 2022 · This problem reportedly stems from a defect in the design of the engine block and cylinder head, as well as an inadequate seal on the head, which then allows coolant to seep into the combustion chambers. These issues have also been well documented by YouTuber and Ford technician Ford Tech Makuloco, who has gone over them in great detail in Jan 5, 2016 · Abnormally high temperatures can also be caused by a variety of other problems so it is recommended to have the vehicle properly diagnosed to be sure of the problem. 2. Cooling fans do not function. Non-functional cooling fans are another common symptom of a potential problem with the cooling fan relay. If the relay fails, it will be unable to Sep 8, 2016 · The OBD-II code (P-0535) indicates that an Evaporator Temperature Sensor failure has occurred. Beyond completing an OBD-II scan, a bad or failing evaporator temperature switch will produce a few symptoms that can alert the driver of a potential issue that should be serviced. Noted below are a few of the common warning signs that a problem with Apr 10, 2012 · To confirm, you could run your vehicle through an emissions test. If everything else is in order, failure in this test should be because of a faulty coolant temperature sensor. Another telltale sign of your coolant temperature sensor not functioning properly is if your engine is overheating frequently. This can possibly happen when the coolant Feb 9, 2018 · In this video we're taking a look at the intake air temperature sensor. Common trouble symptoms if this sensor fails includes improper idling and poor drivin Mar 23, 2023 · The engine coolant temperature (ECT) sensor, is one of the most important, engine management sensors. Because, its readings, play a key role in calculations, which affect engine performance. As a result, the (ECU) uses this data, to adjust, the fuel injection and ignition timing. Engines require, more fuel when they are cold. Jan 7, 2023 · If a bad cylinder head temperature sensor is causing the P1299 code, you can expect it to cost anywhere between $100 and $400 to fix the P1299 code. If it’s caused by a cooling system problem like a bad water pump, it can cost a lot more. After you’ve completed your diagnosis, you should be able to get the problem fixed. Nov 2, 2010 · When the temperature falls below 55-60F and the car sits overnight it is impossible to start. Multiple attempts over 5-10 minutes hard to start. According to my Daughter the starter sounds the same when the car starts normally, or when it doesn't start and she is just cranking away. If the car is warm, or the temperature is above 60 degree's 0XKg.