Stalling engines are a sign of big trouble. They can happen anywhere, be it a highway or a driveway but they are sure a headache. Hence, we explore the reasons for engines stalling and what to do in an emergency.
A car battery is a vital part of the car as it is the battery that is responsible for switching on the engine. A weak battery may allow the car to start but will reduce optimal performance and may cause trouble in the future. Corrosion on the battery terminals is a reason for voltage issues in the car, these terminals then must be replaced.
If the battery is not performing then the alternator has more stuff to do. Judging a battery’s condition is easy, all it needs is a professional to run the voltmeter and take the readings. Depending on that it may be decided if the battery must be replaced or charged. Sometimes all the battery needs are its rust and corrosion to be removed. A new battery can be around $100-$200.
Modern cars provide the ultimate experience that includes several technological features. These cars have computers that monitor the engine and all the other features but when there is an issue with the communication of this component and other parts it can cause the engine to stall. These systems can also fail to function in the right way.
It is vital that if the engine is stalling and there are frequently blown fuses then a professional should be referred to. A professional then point out the issue and its cause.
Clogged Air Filter
The air filter is a vital part that filters out dust, bugs, and other contaminants from reaching the engine. Although over time the filter can get clogged and once when it does it causes performance to go down. As the clogged filter reduces the amount of oxygen needed for combustion.
It is advised that air filters be checked and changed frequently, maybe with every engine tune-up.
Faulty Timing Belt
The timing belt is connected from the crankshaft to the camshaft and is responsible for the regulation of pistons and valves. A worn-out timing belt can cause trouble in rotation. This desynchronizes the engine function and later causes it to stall.
It is advised to change the belt before it causes severe damage to the engine. A new belt would cost around $500-$1000. Although it may vary on your car and region.
Bad Torque Converter
A torque converter uses engine torque power to shift gears in an automatic transmission. A bad torque converter is a cause for overheating and shuddering sometimes as well as engine stalling. The torque converter can be replaced for around $600-$1000.
Bad Fuel Pumps
The fuel pump transmits fuel from the tank to the engine and if it is faulty then it can cause the engine to stall. It can go bad because of different reasons including overheating and fuel tank being kept low for longer times. If the fuel pump fails, then there can be power loss and low fuel efficiency. A fuel pump replacement can be very expensive as it depends on each vehicle and the age.
Fuel Pressure and Moisture
The car’s engine can also stall due to several other fuel-related issues too. If the fuel contains moisture especially after the rain or there are fuel pressure issues such as restricted fuel lines then also the engine can suffer. It is advised that the car is shown to a professional so that they can understand the issue and diagnose it.
An alternator that is not working is a common reason for engines not starting, as the alternator is supposed to keep the battery charged. When the alternator does not work the battery does not have enough charge to start the car. It can also cause the car to switch off at low speeds. A new alternator may cost around $100-$300.
Faulty Water Pumps
The water pump is due to which the cooling system works. It is supposed to keep the engine from overheating by running the coolant through it. If this is faulty it should be immediately changed as it can damage the engine badly. A water pump replacement will cost around $400-$700.
Dirty Spark Plugs and Bad Ignition Coils
The spark plugs are there to spark and ignite the air and fuel so that it can start the engine, if they get damaged or faulty then the engine may not start and stall. Ignition coils also if get rusty or get worn out like spark plugs may cause rough idling and difficulty while starting the car. Both things are not very expensive like other components, the spark plug may cost around $40-$150 whereas the coil may cost around $200-$400.
What to Do If Engine Stalls While Driving
If you experience the engine stalling while driving the first and foremost thing to do is drive the car towards safety, putting on the hazard lights and steering it towards a stop is the best course to take. Taking some time and then try and restarting the car is the first step but not overdoing it is important. Also, if it does not start then, one should pop the hood and see if the car has not overheated. If it has then they should wait for it to cool down. After experiencing this you should also take your car to the professional because safety is the biggest priority.
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