A dirty or faulty MAF could be sending the incorrect data to the car’s internal computer when calculating the air to fuel mixture. Located and attached to the inlet air cleaner, this sensor measures the air flowing into the engine air intake system. Mass Air Flow Sensor (MAF) Dirty or Faulty Reasons your car is not accelerating like it used to:
More often, these issues occur from a failure somewhere in the fuel system.
When there is a failure within this system, the car may experience acceleration problems. Many components and sensors work together in order to accomplish the combustion process and propel your vehicle forward. A car that has trouble accelerating should be repaired immediately as you may be placing yourself in harm’s way, especially when attempting to go up a hill, merging onto the freeway, or at intersections.Ĭombustion engines are designed to have fuel delivered to the engine and dispel exhaust gases away from the vehicle. When this action doesn’t occur, and instead the car hesitates or accelerates slowly, the car may be experiencing trouble with the fuel or emissions system. Vehicles that are receiving ample fuel and are otherwise well-tuned, should take off as expected. When you step on the gas pedal, you expect your car to respond by picking up speed based on how hard you press down on the pedal.
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