A loose or slipping engine belt or a misaligned accessory drive pulley could cause a car to squeal upon acceleration. Engine belts and drive pulleys are used to power the water pump, air-conditioning compressor and the alternator of an automobile.Know More
Engine belts should be checked every 6 months. Loose belts can be tightened, but worn out belts should be replaced. A broken belt can cause additional damage to the engine that can be costly to repair.
Most belt problems are caused by fatigue. High belt tension, excessive slippage, belt overloads and adverse environmental conditions are the main causes of belt fatigue.Learn more about Car Parts & Maintenance
If an engine stalls upon acceleration, one likely cause is a dirty fuel filter. Not replacing the filter according to the manufacturer's recommendation allows debris from fuel to build up and plug it. This causes the car to operate on a lean fuel supply and render it unable to meet the demand of pressing the accelerator pedal, according to Carsut.Full Answer >
Restricted fuel delivery and malfunctioning spark plugs are the most common reasons for cars to hesitate during acceleration. The first step to identifying the cause of this is to find out if the car is fuel-injected or if it has a carburetor. Fuel-injected cars and cars with carburetors deliver fuel differently, so there are different ways to diagnose and fix problems with acceleration.Full Answer >
The most common signs that a transmission is slipping include the revolutions-per-minute gauge being above 3,500, the car taking too long to coast or a delay in acceleration. Common causes of a transmission slip range from poor cleanup to defective parts.Full Answer >
Engine hesitation can be a result of low fuel pressure, vacuum leaks, worn or dirty spark plugs or bad spark plug wires. A weak ignition system can lead to misfiring, which can also cause hesitation.Full Answer >