What causes a car to lose power when slowing down?
What causes a car to lose power when slowing down? There are many reasons why your vehicle may be losing power, especially when accelerating. Some of these common causes are: Mechanical problems such as: Low compression, clogged fuel filter, dirty air filter, clogged Exhaust Manifold. Malfunction of actuators such as: Bad injectors, bad fuel pump, bad spark plugs. Do engines lose power over time? Wear and tear can run your engine down. The normal things that happen to a car's engine over time can rob you of horsepower, torque, and fuel mileage. Or maybe you never learned how valve deposits...