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The truth about engine stop start systems?
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The truth about engine stop start systems?
One of the most popular choices among engineers is Catia v5 In today’s rapidly evolving automotive industry, engineers and manufacturers are constantly on the lookout for innovative technologies that can improve fuel efficiency and reduce h. This video is copyrighted material of Nissan North America, Inc. Also on modern engines out only takes 30 seconds to a minute before shutting the engine off and restarting will have saved you fuel. Further, it is often powered by a higher-voltage electrical system with bigger storage batteries. The check engine light is a common feature in most modern vehicles. The stop/start approach has significant implications for the car's battery and battery management system (BMS). That lets the fuel injectors pulse and fire during the middle of a complete rotation of the crank, against having to wait for a complete revolution that lets the first cylinder reach that position to. When truck operating in start/stop system enables, ie. Further, it is often powered by a higher-voltage electrical system with bigger storage batteries. Stop start system explained and why not to buy a car that has one. Well-known structural engineer and Egyptian construction specialist Peter James theorizes that the. A4 (B9 Platform) Discussion - noise in transmission 3rd to 4th gear - I have a 190hp A4, I assume all models share the same 7speed transmission. Are you familiar with Smart Start Interlock systems? If you’ve heard about them, chances are you may have come across some misconceptions. When a decoupler fails, it can cause noise when the engine is turned off. But most of all, I loathed the "feeling" of the car stopping and starting. The Service guy says as long as the check engine light isn't blinking it is ok to operate. which of the following describes the purpose of opening the Power control relay PCR. The engine start-stop function can effectively reduce the fuel consumption of the vehicle in idle status and reduce harmful gas emissions [ 3 - 5 ]. But if it stops stopping, is it a problem. The key to hybrid vehicle efficiency is that it takes advantage of the opposing strengths and weaknesses of internal combustion engines (ICE) and electric motor-generators. The fuel system is vital in storing and delivering the gasoline, or diesel, that an engine needs to run In this digital age, where cyber threats are on the rise, it’s essential to ensure the security of your devices. This is Quitting is a free and anonymous text messaging program from Truth Initiative designed to help young people quit vaping. Early symptoms include hard starting, rough idle and smoking exhaust, and a DEF-contaminated engine may not start at all. Stabilize battery voltage during engine starting events. This little device can be easily installed by a mechanic, and works by issuing a weak electric current throughout the metal of the vehicle. If your commute consists of a single stoplight and a long stretch of highway, auto stop-start isn't going to save a lot of fuel. At that point, the system shuts the engine down, and disengages the transmission. In this article, we will debunk these com. 27M subscribers in the videos community. It wont work when its too cold outside or if the powerdraw on the battery is too high or the cabin needs to be cooled etc etc. Read more about engine lubrication systems at HowStuffWorks. Bimmerpost ☰ Model Selection F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. Once you've stopped, you simply slide the car into neutral gear, release the clutch and Start/Stop technology deactivates your engine. Given the growth in use of battery HVACs, combined with the new HOS restarts that last far longer than the 8 to 12 hours a battery HVAC can operate on one charge, this type of automatic engine start/stop system will probably grow in popularity, as they serve to. These passageways direct the coolant to the most critical. Q: How does the battery charge/discharge cycle function in a non-stop/start vehicle? A: In a car without a stop/start system, starting the engine is a one-time event for the duration of the trip. Most vehicles give the driver the option of temporarily disabling the system if start-stop isn’t desired, and also automatically shut it off if the car is put into “Sport” mode. Technician B says that a defective starter drive can cause a starter whining noise. However, the technology doesn't come into use until your engine has warmed to an operational temperature. GDI requires significantly higher fuel inlet pressures than port injection. Simulink is a simulation and model-based de. The flywheel and starter are also changed do that the engine can start faster. The truth about engine stop start systems. With the introduction of the Intelligent Engine Stop Start (IESS) function in the new 5 series the BMW AG starts a new evolution step by using environmental data. Stop-start certainly entered the public domain fairly poorly; the early systems cut and restarted the engine about as intrusively as a prostate exam. The stop/start approach has significant implications for the car's battery and battery management system (BMS). An automatic start-stop system obtains its information about the driving status from various sensors. While it's true that using additional electrical components like headlights, wipers, and radio puts a strain on your battery, start-stop. The key to hybrid vehicle efficiency is that it takes advantage of the opposing strengths and weaknesses of internal combustion engines (ICE) and electric motor-generators. Watch more from Roadshow by CNET - http://bit. Windows 10 is one of the most popular operating systems in the world, known for its user-friendly interface and a wide range of features. Most vehicles see about 5 percent improvement. If you’re stuck in traffic for a. This is not a problem on a new engine. If you're driving an automatic, it's even easier; the system kicks in and automatically deactivates. But most people also know a few "facts" about engine oil that aren't necessarily true. Electrical Engineering questions and answers. Or, submit a contact form, and we'll get back to you as soon as we can. Myth #2: Stop-start systems damage your engine. Bimmerpost ☰ Model Selection F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. Everyone knows that cars and trucks need engine oil in order to operate smoothly. I told the dealership about the issue, but the staff were rude and wouldn't give me a replacement car. Starter only starts truck initially, the MGU and hybrid system does all the other stuff). And the simulation results demonstrated start-stop system can improve vehicle fuel economy 50% on the highway cycle and 4 Fonseca N et al Another component that can cause noise on hybrid and stop/start equipped vehicles is the decoupler pulley or overrunning decoupler pulley, or OAD. Expect them to proliferate in coming years. Bimmerpost ☰ Model Selection F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. The 2020 Chevy Silverado 1500 and the 2020 Chevy Malibu 1. Part of this is for emissions, but also to prevent the occupants from freezing on a cold day. Development of an Engine Stop/Start at Idle System A project was undertaken to demonstrate an engine stop/start at idle system utilizing a 12 volt Belt driven Starter Generator (BSG). 50,000 miles down the road, and it may be. These aren't carbureted cars that have auto start/stop. If pushing the accelerator does not prevent the engine from stal. Make 2023 the year you stop selling yourself short. Advertisement The engine block and cylinder head have many passageways cast or machined in them to allow for fluid flow. FALSE: 'An EV has to travel 50,000+ miles to break even'. I was wondering what changed to make the turbos long-lasting with the engine constantly turning off: Oil Quality? Auto stop-start technology automatically shuts the engine off when the vehicle comes to a full stop, and then starts it again when the driver wants to get moving. Bimmerpost ☰ Model Selection F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. For an industry under ever-increasing pressure from government emissions standards, start-stop technology (which shuts off engines under idling conditions) seems like an easy route to improved fuel efficiency. This little device can be easily installed by a mechanic, and works by issuing a weak electric current throughout the metal of the vehicle. Apr 10, 2017 · Stop at a red l. But what we haven't covered is a little-known way to disable the system, and it involves the hood. I was wondering what changed to make the turbos long-lasting with the engine constantly turning off: Oil Quality? Auto stop-start technology automatically shuts the engine off when the vehicle comes to a full stop, and then starts it again when the driver wants to get moving. (5) Finally, start-stop motors are integrated with other technologies that identify when each cylinder of the engine will reach top-dead center. Nobody wants to suck, but the truth is, before you can be great at anything, you're going to suck. lake powell water level today They think starting the engine again and again uses more gas than just keeping it running. Stop/start also adds direct hardware cost. As it turns out, engine auto-stop-start. Most vehicles give the driver the option of temporarily disabling the system if start-stop isn’t desired, and also automatically shut it off if the car is put into “Sport” mode. But, the majority of systems use a starter that looks a lot like a conventional starter. The Shocking Truth About Start-Stop Systems. A light on the instrument cluster will indicate the. Mercedes-AMG. If you've shopped for a car in the past few years, you may have noticed the carmaker endorsing stop-start (or start-stop/clean idling) technology to help with fuel economy. First of all love it except for the stupid automatic stop/start system to me it is useless because it will add worst problem down the road. Advertisement If you know one th. Bimmerpost ☰ Model Selection F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. The driver's seat belt must be fastened. Several production vehicles in the market have adopted stop/start systems with 12 volt batteries and enhanced starters. tryst.li.k The same warning has been repeated since the 1970s as we added a long list of add-ons to make engines cleaner. This is caused by the Stop/Start system, which turns off the engine to save fuel and quickly restarts it once needed. Tiguan (MQB) The truth about engine stop start systems. The amazon management system "The ultimate digital business engine that creates extraordinary value for both customers and shareholders. Listen for any noises from the OAD after the engine is shut off. Start-stop technology can give benefits to the fuel economy from internal combustion engines in urban situations and reduces emissions in heavy traffic. The truth about engine stop start systems. It is not definitively known why the ancient Egyptians stopped building pyramids. If you continually hear "I'm telling the truth!" or, "just kidding!" after lies from your kid, here's what to do. But most of all, I loathed the "feeling" of the car stopping and starting. It is not definitively known why the ancient Egyptians stopped building pyramids. Please read the sidebar below for our rules. These error messages indicate that Windows. 48 votes, 15 comments. Press and hold the Start/Stop button on the dashboard for a few seconds. If you’re stuck in traffic for a. Technician B says that a defective starter drive can cause a starter whining noise. Additionally, there are safeguards on the system if the engine temperature starts to drop. edit bank statements Stop/Start is the second biggest EPA scam behind the emissions testing defeat code. Advertisement Software engineers, also known as system. The driver's seat belt must be fastened. But what we haven't covered is a little-known way to disable the system, and it involves the hood. If you notice signs of. The fuel system is vital in storing and delivering the gasoline, or diesel, that an engine needs to run In this digital age, where cyber threats are on the rise, it’s essential to ensure the security of your devices. The stop/start approach has significant implications for the car's battery and battery management system (BMS). The key to hybrid vehicle efficiency is that it takes advantage of the opposing strengths and weaknesses of internal combustion engines (ICE) and electric motor-generators. Vapor lock is most likely to happen when driving on hot days a. Also on modern engines out only takes 30 seconds to a minute before shutting the engine off and restarting will have saved you fuel. Systems like Mazda's i-Stop - and seemingly 100 other proprietary names for similar bullshit technology When you use the Auto-Start/Stop system, the car's engine isn't cold. Stop/start in a controlled EPA testing environment might have yielded better results, but I can pretty much guarantee no on is getting any value i took it to the dealer and they "replaced the battery". Development of an Engine Stop/Start at Idle System A project was undertaken to demonstrate an engine stop/start at idle system utilizing a 12 volt Belt driven Starter Generator (BSG).
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If engaged, when you stop, the engine shuts off and auto starts when you lift your foot off the brake. Maximum possible saving for a two-litre engine: $400 (US dollars) over 10 years. Bimmerpost ☰ Model Selection F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. The only non-turbo Sonata, the 2. AAA's experts and engineers issued a statement answering a few questions. Vapor lock is most likely to happen when driving on hot days a. There are several common causes for a speedometer to stop working. Children may lie for many reasons. As soon as you start the engine, the light goes off and remains off until yo. This helps to maximize the frequency and duration the engine will remain in Auto Stop during normal driving conditions. Bimmerpost ☰ Model Selection F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. Disable auto stop start permanently Jump to Latest Follow 21K views 27 replies 15 participants last post by Scott_Faunce Mar 28, 2019 W wreedsvt Discussion starter 846 posts · Joined 2018 #1 · Nov 17, 2018 On my 2017 3. Bad News Racing is where I buy all of my parts. However, like any mechanical system. Jooble Jobs is a popular platform that a. Bimmerpost ☰ Model Selection F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. In fact, warming up can be bad for your engine. The stop/start engine feature that turns off the engine when the vehicle is not in motion (at red lights etc. mars tv box Get quick tips for battery health and component checks for a smooth driving experience. If a car engine dies while running, stops and then restarts, the engine is either not getting enough fuel or power. Bimmerpost ☰ Model Selection F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. Pinging in an engine is the result of the air and fuel mixture within an engine cylinder igniting incorrectly, explains Cars Direct. Once the truck is running and the truck up to temperature the etorque will take over starting the truck for stop/starts. Why stop start technology can lower your car's engine and starter lifespan, car review wit. This system aims to reduce emissions by stopping the engine. For example, the starter is a larger, more complicated multiple-solenoid design, and more sensors may be needed to provide all the relevant information for the function. Mar 4, 2011 · Ford recently announced that its stop/start system, available on some 2012 cars and SUVs, has the real-world potential to boost fuel economy by “as much as 10 percent Mazda, more concerned. This article will look at various technical and human factors related to stop/start operation, including its impact on starter-motor design and use, battery technology and battery management system, internal combustion engine characteristics, and driving attitudes and preferences. Technician B says that a defective starter drive can cause a starter whining noise. The start/stop feature was introduced by clever engineers to essentially have the vehicle shut off 50% of the time during the CAFE (corporate average fuel economy) test. The truth about engine stop start systems. Some people believe auto start-stop technology wastes fuel. The widespread application of stop-start has only been possible because of improvements in things like battery technology, bearings, oils and control systems in vehicles. Our response may help shape fut. The Toyota E-Series engine may have started out as just another reliable four-cylinder from a manufacturer known for them, but that didn't stop Toyota from twisting it to performan. There's a check valve of sorts keeping the oil from immediately draining back into the oil pan. The widespread application of stop-start has only been possible because of improvements in things like battery technology, bearings, oils and control systems in vehicles. The thought behind the creation of the system was to limit the amount of time a car is idling, therefore lowing vehicle emissions and improving the air quality. Listen for any noises from the OAD after the engine is shut off. Higher pressures in general. One of the technologies that is becoming more widespread are stop-start systems, also known as idle-stop systems. A car's start-stop system does what it says on the tin: it automatically stops the engine when a vehicle is stationary, and restarts the car when it's time to move away. romantic movies 2022 Depending on one's driving habits, Subaru's charging system may not adequately maintain an AGM. When it comes to computer-aided design (CAD) software, there are numerous options available in the market. I told the dealership about the issue, but the staff were rude and wouldn't give me a replacement car. nothing could be further from the truth IMHO. So, here's a new tip for those who hate the system. If pushing the accelerator does not prevent the engine from stal. Duke 390 2023 vs Dominar 400 2023, ¡Una Humillación! These systems can shut the engine off when the vehicle is slowing to a stop and quickly turn the engine back on once the brake pedal is released. Are you in need of a Worcester Bosch engineer to service or repair your heating system? Look no further. The technology won't activate when the battery is weak and the engine hasn't warmed, or if the battery is working hard. While the engine is running, it also […] Prior to the emergence of alternative energy sources, research on the start-stop system, which shuts down the engine at idle, was rapidly conducted by car manufacturers, in parallel with the growing need for energy-efficient technologies and the tightening of environmental regulations for vehicles. Expect them to proliferate in coming years. A drive mechanism on the starter, called the Bendix gear, meshes its small pinion gear. Gasoline engines have come a long way since their initial design, and Start S. There are no nationwide examinations or grading tests There are a total of 190 school days in a Finnish school year. The check engine light is one of the most dreaded warning lights that can illuminate on your dashboard. " Authors Ram Charan and Julia Yang explain. Which technician is correct? and more. One way to do this is by reading reviews from other homeowner. I will show you what Engine Start & Stop technology is and how you can use it. The only non-turbo Sonata, the 2. Mar 9, 2019 · If you shut down fewer times - like, six or eight times a day - for more than about five minutes per shutdown - you’ll save money. ensc stocktwits You are in neutral and clutch is fully released. Another feature with the Subie stop start is that it only activates if you press hard on the brake pedal. "However, some engine components suffer a critical increase of tribological stress because of frequent start-stop. The engine automatically shuts down. But do they work? The start-stop system is a system in most modern cars that shuts off the engine when the vehicle is stationary to reduce fuel consumption and emissions. The truth about engine stop start systems. It wont work when its too cold outside or if the powerdraw on the battery is too high or the cabin needs to be cooled etc etc. Most stop/start systems can use current-measuring sensors in the battery cables and will look at the electrical loads on the vehicle. When a decoupler fails, it can cause noise when the engine is turned off. Bimmerpost ☰ Model Selection F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. In regular (single solenoid) set-ups you could find yourself in a situation. As shown in the figure below, it consists of a box with two buttons, one for START and the other for STOP. What are some of the pros and cons of automated trading systems? Read on to find out how these systems can make trading easier, not to mention some of their pitfalls. In the case of the Fiat, it's recommendable to keep the 875cc TwinAir unit running for at least another 30 seconds after you've arrived, or more than that if you've. Start-stop system. But what is stop/start technology, and do you need it? Check out the five things you need to know about about stop/start systems below to see if you need it in your next car. views TS CKKwan: Dec 16 2018, 08:12 AM, updated 5y ago. Up to 75% of engine wear and wear-related failures happen during the engine starting process. But what is stop/start technology, and do you need it? Check out the five things you need to know about about stop/start systems below to see if you need it in your next car. This helps to maximize the frequency and duration the engine will remain in Auto Stop during normal driving conditions. Bimmerpost ☰ Model Selection F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. Jun 27, 2017 · One of the technologies that is becoming more widespread are stop-start systems, also known as idle-stop systems. Like many other tech. Development of an Engine Stop/Start at Idle System A project was undertaken to demonstrate an engine stop/start at idle system utilizing a 12 volt Belt driven Starter Generator (BSG). Bimmerpost ☰ Model Selection F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018.
For example, the starter is a larger, more complicated multiple-solenoid design, and more sensors may be needed to provide all the relevant information for the function. what is the primary component used to stabilize voltage in engine stop start ess vehicles equipped with a single battery system. The key to hybrid vehicle efficiency is that it takes advantage of the opposing strengths and weaknesses of internal combustion engines (ICE) and electric motor-generators. What is Stop-Start and How Does it Work? If a car has a stop-start system, the engine automatically switches off and on when it stops and starts moving again. Most vehicles see about 5 percent improvement. Systems like Mazda’s i-Stop - and seemingly 100 other proprietary names for similar bullshit technology Jan 9, 2018 · The guy is right, start / stops sucks. mk11 krypt heads order Because Stop-Start has to pre-empt your actions, some of the newer systems are what's known as 'tandem solenoid'. The truth about engine stop start systems. TTAC has long seen stop-start systems (which turn off the engine at idle) as one of the many common-sense technologies that will continue to improve internal combustion engine efficiency at a relatively low cost. If you've shopped for a car in the past few years, you may have noticed the carmaker endorsing stop-start (or start-stop/clean idling) technology to help with fuel economy. The most obvious benefit of all automatic start/stop systems is that they add few components and little weight to the vehicle. The argument that stop-start technology is damaging mostly comes from the fear of a cold engine - your engine must heat up lubricants when it starts. Which technician is correct? and more. In theory, they’re intended to improve fuel economy by shutting down the engine while the car is stationary — when you’re effectively getting zero miles per gallon. illinois clemency list 2022 In theory, résumés should be relatively easy to put together: After all, we’re essentially making a list of our career-related e. 5l SE has this function, no other Hyundai turbo-engine model has this stop. Most vehicles see about 5 percent improvement. Generally, though, the system will not operate unless the vehicle is stationary, the engine is at operating temperature, the battery has a certain level of charge and the cabin temperature is within a certain range. Feb 13, 2021 · The newer and less common type of automatic engine start/stop system focuses solely on maintaining the batteries’ state of charge. Which technician is correct? and more. The recommend repair is to replace the entire fuel system, from tank to injectors. spark sql performance tuning The alternating firing order results in smooth running. In hybrid cars, start-stop systems allow the engine to cut out during periods of low throttle loads, when coasting downhill, or when deaccelerating from higher speeds. Auto start/stop requires design changes to the starter, flywheel, solenoid, charging system, among other things. Having S/S made a big difference in the overall numbers and hence car tax rates The truth about engine stop start systems. Extended Battery Life: Stop-start systems rely on the vehicle's battery to power various electrical systems when the engine is off. The engine may also restart on its own if there is a demand for power from the air-conditioner, for example. And those peak numbers are unaffected by the eTorque system.
The truth about engine stop start systems. John Cadogan 17 June 2017 16 Comments The Truth About Automatic Engine Stop-start Systems. "But with automatic stop-start being activated every time the car comes to a standstill, the figure rises dramatically. The electronic battery sensor (EBS), which is part of the BMS, communicates data about the state of charge, voltage, and battery temperature. These aren't carbureted cars that have auto start/stop. Stop/Start is the second biggest EPA scam behind the emissions testing defeat code. Also on modern engines out only takes 30 seconds to a minute before shutting the engine off and restarting will have saved you fuel. "But with automatic stop-start being activated every time the car comes to a standstill, the figure rises dramatically. I told the dealership about the issue, but the staff were rude and wouldn't give me a replacement car. Essentially, you’re saving 50. Mar 4, 2011 · Ford recently announced that its stop/start system, available on some 2012 cars and SUVs, has the real-world potential to boost fuel economy by “as much as 10 percent Mazda, more concerned. The 2020 Chevy Silverado 1500 and the 2020 Chevy Malibu 1. and should not be copied, edited, or reproduced without the permission of Nissan If the noise appears in 1st gesr at 40km/h, then you have a point. Most radial engines have an odd number of cylinders for the same reason. vermont tree house with hot tub Not that it's perfect, see The Shocking Truth About Start-Stop Systems | The Truth About Cars The engine control unit (ECU) coordinates the start-stop processes and harmonizes them with the engine management system. The button to turn off auto stop-start is next to the engine start button, to the right of the steering wheel. The answer may surprise you. Systems like Mazda’s i-Stop - and seemingly 100 other proprietary names for similar bullshit technology Jan 9, 2018 · The guy is right, start / stops sucks. Whether you need routine maintenance, repairs, or a complete installation, hiring t. The truth about engine stop start systems. ly/1T6mpHFBrian Cooley discusses auto-start-stop tech, what it is and why it's here to stay. If compared to equivalent engine configurations without this system, frequent start-stop intervals can double the damage to bearings. Up to 75% of engine wear and wear-related failures happen during the engine starting process. Bad News Racing is where I buy all of my parts. This article will look at various technical and human factors related to stop/start operation, including its impact on starter-motor design and use, battery technology and battery management system, internal combustion engine characteristics, and driving attitudes and preferences. Potentially short and inefficient stops are avoided to. For an industry under ever-increasing pressure from government emissions standards, start-stop technology (which shuts off engines under idling conditions) seems like an easy route to improved fuel efficiency. With that said, are you aware of a device that will permanently shut off the auto start stop feature? The pros or advantages of engine idle start-stop are: Fuel Efficiency: Studies show Start-Stop systems can improve fuel economy by 5-15%, especially in stop-and-go traffic. The truth about engine stop start systems. But most people also know a few "facts" about engine oil that aren't necessarily true. nsw storm tracker Dec 11, 2018 · Stop-start technology (SST), also known as stop-start engine, auto stop-start, idle-stop or anything similar, is a feature many associate with hybrid vehicles. The light goes green, you start lifting off the brake, and the engine kicks back into life, as if by magic. The check engine light is a common feature in most modern vehicles. The truth about engine stop start systems. And it's on nine out of every 10 new cars sold. The truth about engine stop start systems. The technology starts the car before it gets into the danger zone, as long as the. On Subaru's with AS/S, Subaru wants an EF battery. This is caused by the Stop/Start system, which turns off the engine to save fuel and quickly restarts it once needed. Traditional engine start-stop technology's working principle is that the engine stops once the brake pedal has. Bimmerpost ☰ Model Selection F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. The truth is a lot of Honda and Acura owners find the Auto Idle Stop system to be annoying, taking too long to engage the gas engine and finding out that, with Start Stop off, they aren't saving that much fuel anyway. The battery warning light in your vehicle turns on when you turn the ignition key to the "on" position. When truck operating in start/stop system enables, ie. Also on modern engines out only takes 30 seconds to a minute before shutting the engine off and restarting will have saved you fuel. The truth about engine stop start systems. The argument that stop-start technology is damaging mostly comes from the fear of a cold engine – your engine must heat up lubricants when it starts. The battery warning light in your vehicle turns on when you turn the ignition key to the "on" position. Bimmerpost ☰ Model Selection F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. When these systems restart your engine when the light goes green the engine oil is still nice and hot and distributed throughout the engine. Engine stop/start systems are spreading from hybrids to normal cars.