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However, if its not working, it can be a frustrating experience. Several causes lead to your cars auto start-stop not working. I have a "gizmo" that monitors the battery draw of the dash cams and turns them off automatically if it drops below 12V. The computer in my car (3.0 engine) says it uses .3 to .4 gallons per hour and most traffic lights are under a minute. Switching the System On and Off When you switch the ignition on, the system automatically turns on. In this case, with a free battery test, the experts can find out whether the battery needs to be replaced. Took to Ford and they said take it for a good run with no other features pulling juice from the battery. Therefore the clever computer keeps the engine running until its at an optimal temperature. I have a Ford EcoSport 2019 and the same has happened to me. In this blog post, weve discussed the causes of the issue and provided solutions for getting your Ford Auto Start-Stop system back in working order. Do not use remote start if your vehicle is low on fuel. Ignore all the internet HACKS that attempt to defeat auto stop/start - the Start/Stop Eliminator exclusively from 4D Tech is the only product that maintains full functionality of your auto start/stop system with NO installation, No programming and NO negative side-effects.Looking for another Model or Year? Want to read some of the articles written by Kevin? Quiet start will also run the blower fan at a slower speed to reduce noise. Have your alternator checked regularly to ensure that its working properly. First, you must check the car manufacturers comfort settings for extreme weather conditions to determine whether it can simultaneously support the start-stop function. You must check your cars cooling system to determine whether the start-stop function is optional when the engine gets too hot or cold. In this case, youll need to take your vehicle to an auto shop and get your system reprogrammed and battery data reset. The auto start stop button is located on the centre console. And the car is smart enough to disable stop-start when youre on a steep hill. Drive (D) is selected in the transmission. If I change the battery (Battery Tender) and get it up to about 80% SOC, S/S does work. https://www.youtube.com/watch?v=pX2XrCpDSRg, Engine is too cold (not warmed up enough), It's really cold or really hot outside (climate demands), Steering wheel is turned (wheel has to be mostly straight), Turbo needs to cool down after operating at highway speeds (engine will stop after a delay), Brakes were not completely released for long enough between subsequent stops (it won't work if you creep). If the Ford Auto Start-Stop system is not working, it could be due to a problem with the vehicles computer. I took the car to the dealer who identified a low battery and charged it up. Check the battery voltage regularly, clean the battery connections regularly, and have your alternator checked regularly to ensure that everything is working properly. It then tells the car to stop delivering fuel to the cylinders. Who knows?! Additional Information Can I disable Auto Start-Stop? To remote start your vehicle, first press the lock button to lock all the doors. Picked up the car and Start/Stop light was still on. The following tips can help prevent the Ford Auto Start-Stop system from not working in the future: Check the battery regularly and replace it as needed. The battery management switches off the start-stop function The top priority for any battery is to start the engine. It shuts off as a safety feature, especially when the battery is on load. I just read some of the shop manual detail for this feature on my 2018. Fords Auto Start-Stop system is a feature that allows your vehicle to automatically turn off the engine when it is idling, such as at a stoplight or in traffic. Low SOC is mentioned as a factor in not engaging S/S. Symbol has line across it. 01-13-2020, 04:30 PM. Finally, the fourth most common issue is a faulty engine management system. Auto Start-Stop may not shut your engine off if your vehiclebattery is charging, the engine is still warming up, or if youre using heat or air conditioning. Expert advice: why your stop-start might not be working in cold weather, Cars with stop-start use special batteries. Using a fuse puller or a pair of needle-nose pliers, remove the stop-start fuse from its slot. We do make a lot of short trips, but once or twice a month we take a 2 hour highway (55mph) trip. The climate control temperature has been altered or the blower fan speed altered. State Of Charge And Health Of The Car Battery. As long as your car meets the criteria of the auto start-stop, the feature will work with ease. If the connections are dirty, clean them with a wire brush or sandpaper. Note:This is not a permanent change,you will have to deactivate it each time you start your vehicle. It's 14 degrees outside. If the voltage is low, it could be a sign that the battery is dead or that the alternator is not charging the battery properly. A similar protective mechanism operates in the following cases: The wrong battery technology has been installed, which can only provide a small number of charging cycles. Problem is that I have not found a number mentioned. You foot is depressed onto the brake pedal. Elevation is below approximately 10,000 ft (3,050 m). Toggle 30min Max Idle to Off. F250Wheels. Here are some typical causes of auto start-stop not working. 27,200. Are reviews modified or monitored before being published? As we have been allowed to travel recently I have covered about 400 miles in the last 7/10days, I would have thought this would have charged the battery, no joy and I am concerned the battery has been damaged. Then, give your car enough time to warm up during cold weather and cool down when the outside temperature is too hot. The driver door is ajar or the driver seat belt is undone. Start-stop technology makes driving more economical and environmentally friendly. Finally, make sure to perform regular maintenance on your Ford Auto Start-Stop system to prevent future issues. You could say that the car battery is the heart of the system for modern vehicles. Therefore, it shuts off as a safety feature. The alternator is responsible for keeping the battery charged while the vehicle is in use. So maybe it was a combination of battery decline and a previously higher consumption dashcam. The critical function of the car battery is to ensure that the engine starts and supports all available electrical systems. The auto start stop button has been pressed while the engine has been automatically switched off. For lots of drivers it is not working (and some prefer it that way!) Stop-start wont intervene when the engine is cold. Cars with stop-start use special batteries that can withstand constantly starting an engine. The maximum engine off time has been exceeded. Have you any ideas as to what I can do threatening to harm employees or others), Lack of adequate text (e.g., symbols, emojis and random letters), Reviews on the product and not the customers Sales or Service experience. The auto start-stop system uses a particular battery (deep cycle) type that can withstand the constant stopping and starting of the engine. With an intelligent access transmitter, you must press the Start/Stop button on the instrument panel once while applying the brake pedal before driving your vehicle. The first step in diagnosing the issue is to check the battery voltage. There are also factors which interrupt the start-stop function, which do not depend on the battery: If the start-stop function fails very often, or does not activate at all, it is advisable to visit a workshop as soon as possible. Weak key fob battery. What in the world is going on? The S/S still doesn't work after these trips. Ford personnel and/or dealership personnel cannot modify or remove reviews. The reason why the start-stop system does not function can be due to the interaction between both of these essential systems. To turn the vehicle off, you may have to be closer to the vehicle than when starting due to ground reflection and added noise from the running vehicle. The BMS will knock off the auto start-stop function until it detects moderate car cabin temperature (40 -85F). Reasons Why Auto Start-Stop Is Not Working, State Of Charge And Health Of The Car Battery, Symptoms Of A Low Car Battery Current Or Voltage, Symptoms Of Extreme Engine Coolant Temperature, Symptoms Of A Faulty Engine Management System, "Stop/Start Not Ready - Battery Charging" - Explained, BMW Connected Drive Not Working 11 Possible Issues, BMW Software Update Not Working - How to Fix, Silverado Electric Fan Conversion Full Guide, AC Compressor Clutch Noise Common Problems, Sensors not working (Battery or air mass), The braking system with low vacuum pressure, It produces a clicking sound when turning the key in the ignition, Check engine light is flashing on and off, Clicking sound when turning the key in the ignition, A circled A with a line through it will appear on the dash, Rust build-up or corrosion on the battery terminals, A warning light will appear on the dashboard. or working intermittently, which is irritating. In addition, the BMS will override the auto start-stop function when the car is stationary, and the wheels are turned at a sharply acute angle. Should I just buy a new battery? For me this is brought on by the low mileage that I put on the vehicle and the fact that most of my trips are short. Gotta leave it on overnight without touching anything and check in the morning. SYNC 3 Touchscreen Tap Settings on your vehicle's SYNC 3 screen *. An electrical accessory has been switched on or a USB device plugged in. The system realises theres a high chance youre manoeuvring and will find the engine cutting out every few seconds more than a little irritating. I believe the vehicle has to be off for something like 8-12 hours before the battery SOC is updated in the computers. When the engine becomes cold, it uses the battery or consumers to stay warm. Auto Start-Stop may not shut your engine off if your vehicle battery is charging, the engine is still warming up, or if you're using heat or air conditioning. If the battery needs too much power to supply the fan, the start-stop function is switched off. On mine, these are the reasons I've observed when it didn't engage. AGM batteries only seem to last about 4 years. A manual climate control system will run at the setting it was set to when you switched the vehicle off. In this blog post, we will discuss the causes of the issue and provide solutions for getting your Ford Auto Start-Stop system back in working order. My stop/start has been working intermittently for some months now, and for the last few weeks not at all. Are reviews modified or monitored before being published? The alternator should be producing at least 13.5 volts. Engine coolant must be at optimal operating temperature. Hey i need your help in my car when I stop in the light my auto stop isnt working. The weathers been so chilly lately, Ive struggled to get out of bed in the morning. If the above reset instructions do not work for your Ranger, then this alternate method may work. If the vehicle has been remote started with an integrated keyhead transmitter, you must switch the ignition on before driving your vehicle. You can do this with a code reader or scan tool. Reply Like. I "think" the problem is that the battery is not fully 100% charged. If youre having trouble with your Ford Auto Start-Stop system, dont worry. You are not permitted to download any video and re-upload under any circumstances without written consent from Ford Motor Company.Auto Start-Stop | Ford How-To | Fordhttps://www.youtube.com/user/Ford But a few days ago I upgraded my dashcam. If that doesnt work I am going back to the dealer. Stop start puts a huge stress on starter motor and battery,they have to be bigger,so does the alternator to supply the extra juice,this means more fuel is used! However, auto start-stop doesn't completely turn off your vehicle and then cold start it. is the fact I have a Start Stop system installed and in use, a reasonable defence or am I expected to manually turn the engine on and off if in a long traffic queue and does that action potentially damage the engine if it is cold? It is critical to preserve fuel economy and efficiency and reduce toxic emissions produced by gas-powered vehicles. Close all windows and doors. I can drive on the motorway for over an hour come off the motorway and it will not kick in. I am in Tempe, AZ and its over 100 degrees F here so maybe that the problem. I'm a long-time Ford and automotive enthusiast, and I've been writing about cars for over 10 years. Could be the AC is working too hard, could be it's stopped too much and battery is charging, etc All that screen says is normal engine operation. But I could bring it in to have them look at the Auto Stop/Start. The horn will sound if the system fails to start, unless quiet start is on. Ignition on (not engine, just press the button without the clutch) Press rear fog 5 times Press hazard lights 3 times Wait to see the battery light flash on dash (10 seconds roughly) Switch ignition off It may be that your battery does not have enough charge in it. and switch off, i have a Hyundai i40 2011 The auto hold will not work and the auto stop will not work either i have had a new battery the right one for the car i know it has to be a special one .I have had 2 very good mechanics look at both put it on a high end diagnostic computer and i comes up with no faults now they have not a clue wats up with it, and like i said they are very experienced mechanics think i given up with it now. My stop and start quit working almost a year ago 2018 Ford I took it to the dealer I am worried it will damage my car by not working (i hate it but it should work) they said they charged my battery that I did not drive my car enough so they charged it and it still dosent work I have taken on a long drive still nor working I hope it dosent brake my car. The Auto start-stop shuts down the engine when the vehicle is stationary, and the foot continues to press down the brake pedal. Stop-start won't operate when reverse gear is selected or a parking aid is active. The brake booster provides additional assistance to the driver to reduce the effort required to press the brake pedal. When you apply the brakes and come to a complete stop, like at a red light, your engine automatically shuts off. Someday, I'm going to hook up my "trickle" charger and bring the battery up to 100% and see what happens. You may be able to drive your vehicle without a functioning start-stop system. It detects when the car is stationary and out of gear (if the cars a manual) or the brake pedal is pressed (if its an automatic). For example, if the starter motor is malfunctioning, youll need to replace it with a new one. The interior of the vehicle has been heated or cooled to a level that has been set by the driver. Thirdly, the engine temperature can also create a similar bypass. Your vehicle is equipped with a heavy-duty starter and battery to help compensate for a high number of starts and stops. With so much modern technology in the car, it is a shame that it does not inform which condition(s) are preventing start stop working. I do think it saves money it usually extend an extra day or two with me. There is a on and off button usually near the airbag alert. As of right now, I'm unable to find a mechanic who is willing to risk using forscan to turn it off. If the alternator is not producing enough voltage, it could be a sign that the alternator is faulty. Our patented technology is the only product that will disable start/stop in Ford and GM vehicles without reprogramming your ECU! Stop start is a fuel waster,you need bigger starter motor and a bigger Alternator,result more fuel to recharge. Kevin has been hanging around cars and automobile magazines since he knew what a car is. The power windows will not work during the remote start and the radio will not turn on automatically. Today it didn't work at all. BettaRanga 3. They changed the battery and all is well so far!! 01003081. If your Ford stop-start system is not working properly, you may need to reset it. The stop/start worked for a while, then due to lack of use the stop/start grey light came on the dashboard and it has failed to work since. Dirt and grime can build up on the connections over time, which can prevent electricity from flowing properly. Having the wheel turned at an acute angle will prevent it working too. I willbe checking again today as I charged yesterday evening and have a short trip planned for this afternoon. He grew up in his fathers 1995 Mercedes E320 Wagon and Volkwagon Phaeton W12 2004. Don't worry, you can still start your vehicle - the battery is only used to send the signal for locking/unlocking. This passion transforms into his eternal love for cars and bestows him an ideal position in one of the leading automobile companies; whenever he finds time, he takes out his Acura and opts for the longest possible route to find hidden wholesome pleasure in a road trip.