Car Stops Accelerating While Driving: What Causes This To Happen?
There are many symptoms that can contribute to a stalling and no start condition when driving. The common are the following: Symptoms Crankshaft Position Sensor Failure Battery Cables Come Loose / Loses Power to the Battery Fuel Pump Relay / Fuel Pump Stops Working Ignition Coil Overheats Mass Air Flow Sensor Failure Ignition Switch Failure.
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The worst of it all is to have your car die while driving it on the highway or in a very crowded street. This is a common experience for many drivers, which happens when least expected. This may be due to numerous factors ranging from easy to complicated causes. You will also learn how to diagnose the issue before you seek help from a professional.
Running Out Of Fuel: This might sound ridiculous, but this happens to many people. Drivers often forget to refuel their cars and run out of gas in the middle of the road. Another cause of this is when the fuel gauge is not giving the right reading. For instance, it shows you that you have a half tank of fuel remaining, but the tank is empty.
Bad Fuel Pump: Another widespread cause for the engine to stall is if there is a problem with the fuel pump. The fuel delivered, however, should have a certain pressure as well as a certain flow rate. If the pressure or the flow rate is below the required level, the car stalls and stops working. You may also have a problem with the fuel filter. The filter is located after the fuel pump to purify the fuel before it gets to the engine.
It removes any impurities and stains which may block the fuel line and make the fuel not get to the engine. Malfunctioned Ignition Switch: The ignition switch is the main gate that connects the current coming from the battery to the car accessories and starter for the car to start. Wearing out of the ignition switch is common for high mileage and aged cars.
Related Post: How to Start a Car with a Bad Ignition Switch [Symptoms and How to fix it] Low Charge Alternator: When driving your car and the dashboard battery lamp suddenly turns on, it is an indicator that the car will work for a few minutes and stop.
This vehicle will not start again until you do a replacement. This happens because no power is getting in the car. Electricity is crucial for the engine to work. For instance, the spark plugs need electricity to produce a spark to complete the combustion. The operation of the fuel pump also relies on the electricity provided by the alternator. Car Battery Faulty: This is a common issue facing several people because they think that the car only uses the battery for the first startup.
This, however, is not true. These sensors keep reading the movements and give orders to the ECU. The ECU then sends signals to actuators such as spark plugs and injectors at a certain time and order. This will then lead to wrong orders to the actuators, such as no sparkplug signal or no injectors pulse. Your safety and that of the people using the road around you is paramount.
Once you are safe, make a quick check to look for clues on why this is happening. These tips may help you to get out of this situation safely: Get the car out of the road or to the very right side of it. The first thing is to turn on the hazard lights to warn the oncoming cars that there is a problem with your vehicle.
The steering may be very hard, but try your best to deal with it and use the handbrakes to park the vehicle since the normal brake pedal will not work as usual. If there is a warning light in the dashboard, you have a failure in the battery charging system.
It could be a problem with the alternator or the battery itself. Check the electrical systems, connectors, and terminals. If not, then check the drive belt for damage or retighten. If the car dies while driving but restarts again, check for a clogged fuel filter. Check the fuel pressure and do fuel lines check to track and diagnose the fault easily.
In case the car stops while driving, then starts again after a while or after it has cooled down, it is a problem related to the engine management system. In this case, you are required to check the position sensors carefully. Examine the crank position sensor since if it is faulty, it gives the wrong position for the crankshaft, which leads to misfiring order making the engine stalls. Some of them will depend on the model of the car you are driving.
To avoid or reduce the chance of getting to these situations, you are required to take some precaution actions. You also need to have the fuel at least a half tank. This will increase the life of the pump and prevent clogging of the fuel filter. If you have any vehicle failure on the road, always warn the cars behind you and get in the low-speed lane until you get the right help. Tito Hi There, I am R.
Hasan Tito, a mechanic, and owner of this website. My friend and I created this website to share our knowledge, expertise, and experience with our fellow mechanics’ community and car users. I have been working as a mechanic for over fifteen years. Recent Posts.
Why does the car Stop while Driving