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10 Causes of a Vehicle Losing Power when Accelerating – and How to Fix It

Cars are complicated machines. It’s sadly more common than you may think to lose power during acceleration!
But don’t worry! There are only so many things that could be at fault. Here are the main culprits – and how you can remedy them to get full power back on the road again.

Fuel Filter Clogging

Your fuel filter makes sure your petrol or diesel is pure and fit for use. A dirty or clogged filter can result in any impurities it’s meant to clear out for you getting through to the main engine. This, of course, can lead to power drain and even lasting damage. Replace fuel filter as soon as possible.
 

Exhaust Clogging

Your exhaust, too, can get clogged over time. It’s therefore extremely important to make sure it’s clean and clear of debris from use to use. Your car weakens if your exhaust can’t perform at its best. Make sure you get it checked out or replace the exhaust! 

 

Mass Airflow Sensor Problem

A mass airflow sensor, or MAS, communicates between your engine and control modules to report on how much air is flowing in and out. If your MAS sensors are malfunctioning, you could be at risk of less power. Replace the mass air flow sensor.
 

Spark or Glow Plug Problems

Your spark plugs are essential in making sure your ignition works correctly. They transmit signals to your combustion chamber to allow for ignition. If your spark or glow plugs are in need of replacement, your engine will start to suffer. Replace spark or glow plugs.
 

Compression Problems

If your car cylinder compression is too low, your engine will suffer. This is an essential component of car performance and engine power. Always get it checked over by an expert. 
 

Oxygen Sensor Failure

A car’s oxygen sensor measures your engine’s ratio of air to fuel. It helps to keep things operating efficiently on an internal basis. Therefore, if it malfunctions, your engine is going to struggle with knowing how well to perform. Always get it checked over by an expert. 
 

Fuel Pump Weakness

Your fuel pump is an essential car component. Essentially, the pump takes petrol from the tank and transfers it to your engine. If your engine isn’t getting the fuel it needs, it won’t reach full power while accelerating. Always get it checked over by an expert.

 

Fuel Injector Problems

Your fuel injectors work hard to spray your inner engine with fuel. This allows it to be adaptable to a number of different conditions. However, should they malfunction, your engine will fail to reach the power levels it requires to perform certain tasks. Difficult for  DIY but, not impossible, if you are unsure always get it checked over by an expert.

 

Poor Air Filtration

Your air filter will make sure that impurities and debris are removed from air that’s mixed in the engine’s internal combustion chamber. Any impurities can mean bad news for engine performance. However, with a blocked or poor air filter, there’s nothing stopping debris getting through. Replace air filter as soon as possible.
 

Ignition Coil Issues

Finally, always consider your ignition coil. These convert and boost vehicle energy and voltage so that air and fuel can be ignited. Acceleration power will diminish to a halt if your ignition coil fails! Replace ignition coil  as soon as possible.

 
If you’re worried about acceleration power, do make sure the above are replaced or checked by a professional.

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