What would cause my car to sputter on acceleration?

One of the most common causes of a sputtering engine is an issue with the vehicle’s fuel system—the filter, pump, and injectors. Since the fuel filter, pump, and injectors work together as part of one interconnected system, dirt and debris need only clog one part to cause the others to fail.

What would cause a car to sputter while idling?

A faulty mass airflow sensor or oxygen sensor could be incorrectly calculating the air/fuel mixture. Dirty or clogged fuel injectors causing fuel puddling instead of atomization can cause a stumble at idle. Low fuel volume could also be an issue or a faulty engine computer if the issue happens even on a cold startup.

What is engine sputter?

In almost all cases, a sputtering engine is trying to tell you that there is a deeper problem that requires immediate attention. An incomplete combustion in the engine will cause a sputter as can the ignition system. The fuel system, such as a blocked fuel injector may also cause the vehicle to sputter.

Why does my car feel like it’s skipping?

Hi There, It sounds like your car may have a misfire, which can cause it to feel like it is hesitating or “skipping.” Engine misfires can be caused by many different problems and are generally caused by either a spark or fuel issue or in some cases, a combination of both.

Can new spark plugs cause misfire?

The potential for inadvertently creating a misfire is very real when installing new spark plugs. The potential for inadvertently creating a misfire is very real when installing new spark plugs.

Can bad spark plugs cause misfire?

The most common cause of an engine misfire when accelerating is worn-out spark plugs. When spark plugs are suffering from excessive wear, they don’t ignite the fuel in the piston cylinder when they are supposed to. This can also be caused by fouled spark plugs, a cracked distributor cap, or bad spark plug wires.

Can spark plugs cause rough idle?

Rough idling When your spark plugs are performing as they should, your engine sounds smooth and steady. A fouled spark plug causes your engine to sound rough while idling. You might also feel the vehicle vibrating.