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 >
The first step in troubleshooting a car problem is to identify the primary issue and when it happens, such as stumbling upon acceleration, and then take it through a question tree. Diagnostic sites, such as AutoZone.com or AutoMD.com, provide free question trees for car problems.Full Answer >
A broken car axle can cause the vehicle to sputter, make a clunking noise or create excessive vibration during acceleration. If the broken axle is not repaired it eventually prevents the car from moving.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 >