COMMON CAUSES OF CONSTANT ENGINE SPUTTERING

Chloe's Automotive Repair • August 9, 2022

COMMON CAUSES OF CONSTANT ENGINE SPUTTERING

Chloe's Automotive Repair • August 9, 2022

A sputtering engine when you step on the gas can not only be annoying, but it can also point to something more serious like vacuum leaks, faulty fuel system, faulty spark plugs, and more. It may seem like a minor problem, but it points to a deeper problem that will only lead to more expensive repairs if neglected long enough.


The auto repair team at Chloe’s Auto Repair are experts at diagnosing and fixing all types of engine problems and have what it takes to get your vehicle running properly again.


Today, we will walk you through the common causes of constant engine sputtering and the solutions to those problems.


Faulty spark plugs

Spark plugs ignite the air/fuel mixture to create the explosion that makes your engine produce power. However, spark plugs wear out over time or develop a wide range of issues that interfere with their functioning. If your spark plugs are not working properly, you won’t get proper combustion in the engine, and this will make your engine sputter as it loses power. As a rule of thumb, spark plugs should be replaced every 20, 000 to 40, 000 miles, based on the type of car you drive and how often you drive the car.


Bad fuel filter

The fuel filter is responsible for removing foreign particles that could damage critical parts of the engine. Over time, it can become clogged with dirt resulting in lower fuel pressure, and this can cause the engine to sputter. The fuel filter should be inspected from time to time and replaced after a schedule.


Faulty catalytic converters

The catalytic converter is responsible for removing harmful gases from the exhaust. Over time, it can become clogged or its parts can become loose due to old age and block the exhaust way, causing your engine to sputter. Usually, faulty catalytic converters may lead to dark exhaust smoke, excessive heat under the vehicle, and reduced acceleration. If you notice these signs, reach out to a reputable auto repair shop for engine repair.


Throttle problems

The throttle body controls the amount of air the engine takes in and when it fails, it can cause engine sputtering. Grime buildup, electrical problems, and airflow disruptions can cause throttle problems that will lead to problems when accelerating.

It’s recommended that you clean the throttle body regularly and replace it when it reaches the end of its lifespan.


Vacuum leak

A vehicle’s engine is equipped with vacuums whose role is to actuate components and provide sensor readings. However, a leak in the vacuum system can negatively impact engine performance, causing the engine to back fire. A vacuum leak can be caused by a cracked or disconnected vacuum hose or a leaking gasket. The solution to a vacuum leak depends on what causes the leak, so it’s best to have an auto repair expert inspect your engine and fix the problem.


Other common causes of a sputtering engine include faulty oxygen sensors, faulty coolant temperature sensor, fuel pump issues, and dirty fuel injectors.


Is your engine sputtering and you are wondering what to do about it? Reach out to Chloe’s Auto Repair for reliable and affordable engine repair.



We are a premier auto repair shop that you can rely on for all of your auto repair needs.

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Understanding Your Car’s TPMS System: Why It Matters for Safety and Fuel Economy The Tire Pressure Monitoring System (TPMS) is an essential feature in modern vehicles, designed to keep you safe and optimize your vehicle's performance. This system helps monitor air pressure in your tires and alerts you if they become underinflated, ensuring proper tire health, better fuel economy, and peace of mind on the road. What Does TPMS Mean? TPMS stands for Tire Pressure Monitoring System, a technology that tracks your tire pressures in real time. If one or more tires have low air pressure, the TPMS light or a warning light will illuminate on your dashboard. This feature plays a critical role in maintaining proper tire health, which directly affects your vehicle's performance and safety. Why Is Checking Tire Pressure Important? Properly inflated tires are key to: Fuel Economy: Low tire pressure increases rolling resistance, causing your car to use more fuel. By maintaining the correct air pressure, you can maximize your vehicle’s efficiency and save on gas. Safety: Underinflated or overinflated tires can lead to uneven wear, reduced traction, and increased risk of blowouts. Tire Longevity: Proper air pressure ensures even wear and extends the life of your tires. How Does TPMS Work? There are two main types of TPMS: Direct TPMS: Sensors in each tire monitor air pressure and send data to your vehicle’s system. Indirect TPMS: This system uses wheel speed sensors to estimate air pressure based on tire rotation. Both types ensure that if your tire pressure drops below the recommended level, you’ll be alerted by the TPMS light or service tire monitor system message. What Should You Do When the TPMS Warning Light Comes On? Check Your Tire Pressures: Use a reliable tire pressure gauge to measure the air pressure in all tires. Compare these readings to the recommended levels in your vehicle’s owner manual or the sticker inside your driver-side door. Inflate Your Tires: Adjust the pressure to the recommended level for optimal performance. Inspect for Damage : Look for signs of punctures, leaks, or other damage. Visit a Professional: If the warning light remains on, bring your car to a certified technician. At Chloe’s Auto Repair and Tire, we can inspect your service tire monitor system, replace faulty sensors, and reset the system to ensure accurate monitoring. How Does Proper Tire Pressure Impact Fuel Economy? Even a small drop in tire pressure can lead to increased rolling resistance, which makes your engine work harder to move your vehicle. This not only burns more fuel but also contributes to unnecessary wear and tear on your tires. Keeping your tires at the proper air pressure can improve your fuel efficiency by up to 3%, saving you money at the pump. The Role of TPMS in Preventive Maintenance A functioning TPMS system is your first line of defense against underinflated tires. Regularly maintaining your tires and monitoring the TPMS warning light helps you avoid costly repairs, enhances safety, and contributes to a smoother driving experience. Trust Chloe’s Auto Repair and Tire for All Your TPMS Needs At Chloe’s Auto Repair and Tire, we understand the importance of tire maintenance and vehicle safety. If your TPMS light is on or you need help checking your service tire monitor system, our team of expert technicians is here to help. We’ll ensure your tires are properly inflated, inspect for any issues, and reset your system to get you back on the road safely.
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