Some Common Causes of Car Slow to Accelerate

A car which is working properly should accelerate as soon as the driver presses the gas pedal, but some cars show a slow response even after the gas pedal is fully depressed. Modern technology has enabled the modern cars to have a set of systems which are dependent on each other and if one fails to operate properly leads the others systems failure.

Oxygen sensor

The sensor is usually mounted in the manifold of the exhaust to monitor the emissions of the vehicle. The sensor helps to analyze the air-fuel ratio through the engines and gauge the fuel mixture. With the modern technology, the sensor is able to determine whether the fuel mixture is burning rich in less oxygen or is burning lean in more oxygen. When the sensor detects a problem in the air-fuel mixture, it sends a signal to the engine to change the amount of fuel being used.

A malfunctioning oxygen sensor may lead to a misjudged air –fuel ratio and consequently affect the engine power. This can make a car accelerate slowly even if the gas pedal is fully depressed because the fuel is minimized below the amount required to accelerate.

Throttle position sensor

Car slow to accelearate, Delayed Acceleration, engine hesitation are The most Symptoms of bad throttle position sensor. To fix this problem, check engine light code ar DTC, If the code showing the throttle position sensor malfunction, just replace this part.

Fuel filter

A clogged fuel filter may inhibit the flow of fuel from the fuel tank to the engine. The filter is designed to filter out gasoline impurities as the fuel it passes through. The fuel filter may get clogged due to accumulated impurities and this would affect the flow of fuel. The engine works below par when the fuel amount is reduced due to the blockage and accelerating could be one of the problems experienced.

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Fuel pump

A pump forces fuel from the gas tank to the injectors and finally to the engine. If a fuel pump fails to function normally, the car loses its ability to move fuel effectively and this results in decreased

acceleration. If the fuel amount is reduced or fails to reach the fuel combustion chamber in an engine, the vehicle may fail to accelerate.

Timing Belt

A faulty timing belt can affect how a car accelerates. The belt coordinates the cam shaft (which opens and closes the valves) and the crankshaft (which moves the pistons) in an engine. A faulty timing belt may cause the fuel valves not to open at the right times to supply the engine with the air- fuel mixture needed to accelerate the car.

To maintain your car efficiency, it is advisable to regularly change the fuel filters, oxygen sensors and the fuel pump among other systems that work together to avoid poor acceleration.