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Why Your Check Engine Light Is on and What to Do Next

Thu, 12 Mar 2026 19:10:34 GMT

Few things make drivers uneasy faster than seeing the check engine light illuminate on the dashboard. It can appear suddenly while driving or when starting your vehicle, leaving you wondering if it’s a minor issue or something serious.

The truth is that the check engine light is your vehicle’s way of telling you something isn’t working as it should. While it doesn’t always signal a major problem, ignoring it can lead to bigger and more expensive repairs down the road.

Let’s take a closer look at what your check engine light means and what you should do next.

What Does the Check Engine Light Mean?

Modern vehicles are equipped with an onboard diagnostics system (OBD-II) that constantly monitors engine performance and emissions systems. When the system detects something outside normal operating parameters, it triggers the check engine light.

The light may appear in two ways:

Solid light: Typically indicates a non-urgent issue that should be checked soon.
Flashing light: Often signals a serious problem, such as engine misfires that can cause damage if you continue driving.

If your light is flashing, you should reduce speed and have your vehicle inspected as soon as possible.

Common Reasons Your Check Engine Light Is On

There are dozens of possible causes, but some of the most common include:

Loose or Faulty Gas Cap: A loose gas cap can allow fuel vapors to escape, affecting the emissions system and triggering the light.

Failing Oxygen Sensor: Your oxygen sensor measures the amount of oxygen in the exhaust. When it fails, it can reduce fuel efficiency and increase emissions.

Faulty Spark Plugs or Ignition Coils: Worn spark plugs or ignition coils can cause engine misfires, poor acceleration, and decreased fuel economy.

Catalytic Converter Issues: A failing catalytic converter can lead to reduced engine performance and increased emissions.

Transmission Problems: Sometimes the check engine light appears when your vehicle detects transmission performance issues, including slipping gears, overheating, or sensor problems.

What You Should Do When the Light Comes On

If your check engine light appears, follow these steps:

1. Check your gas cap
Make sure it’s tight. If it were loose, the light may turn off after several drives.

2. Pay attention to vehicle performance
Notice any rough idling, hesitation, unusual noises, or shifting problems.

3. Avoid ignoring the warning
Even if the vehicle seems to run fine, the problem could worsen over time.

4. Get a professional diagnostic scan
A technician can read the diagnostic codes stored in your vehicle’s computer and determine the exact cause.

Don’t Ignore Your Check Engine Light. Visit Us for Auto Repair Service!

Your vehicle is designed to warn you before small issues turn into major repairs. Addressing the problem early can help prevent breakdowns and extend the life of your engine and transmission.

If your check engine light is on, the team at Bucholtz Transmission is here to help . Our experienced technicians can quickly diagnose the issue and get you safely back on the road. Contact us today to schedule an auto repair service. We proudly serve Buffalo, NY and the surrounding areas.

The Importance of Regular Oil Changes — and What Happens If You Skip Them

Mon, 01 Dec 2025 15:55:51 GMT

Keeping up with regular oil changes is one of the simplest — yet most essential — maintenance tasks for any vehicle. Despite this, many drivers delay or skip oil changes, not realizing how much damage that choice can cause. Below, we break down why oil changes matter, what happens inside your engine when oil is old, and the costly problems that can result from neglect.

Why Oil Changes Matter

Motor oil is your engine’s lifeblood. It keeps everything running smoothly by:

Lubricating Moving Parts

Inside your engine, metal components move at incredibly high speeds. Oil creates a protective film that reduces friction and prevents those parts from grinding against each other.

Regulating Temperature

Engines generate extreme heat. Oil absorbs and disperses that heat, helping keep temperatures in a safe range.

Reducing Wear & Tear

Fresh oil contains additives that prevent corrosion, reduce deposits, and prolong engine life.

Keeping Your Engine Clean

Over time, dirt, metal shavings, and carbon build up. Oil traps these contaminants and sends them to the filter — but only clean oil can do this effectively.

What Happens If You Skip Oil Changes?

Skipping an oil change might not destroy your engine overnight, but the damage accumulates fast. Here’s what can happen:

Oil Breaks Down & Stops Protecting the Engine

Old oil becomes thick, dirty, and less effective. It loses its ability to lubricate, making your engine work harder.

Sludge Builds Up

Without regular changes, contaminants thicken into sludge. This sludge can clog oil passages and starve the engine of lubrication.

Overheating Becomes More Common

Dirty oil can’t cool the engine efficiently, leading to overheating — one of the fastest ways to ruin an engine.

Parts Wear Prematurely

Metal components like pistons, bearings, and camshafts experience increased friction, accelerating wear.

Reduced Fuel Efficiency

An engine struggling to run smoothly burns more fuel, costing you more at the pump.

Complete Engine Failure

If oil becomes too low or too dirty, the engine can seize entirely — often resulting in a repair bill that exceeds the value of the car.

Contact Our Auto Repair Service Team in the Buffalo, NY Region

Taking care of your oil today protects your car tomorrow. If it’s been a while since your last oil change, now’s the perfect time to schedule one! Thankfully, the team at Bucholtz Transmission is standing by to provide all sorts of auto repair services across the Buffalo, NY community. All you have to do is contact one of our knowledgeable representatives to get started. We'll ensure your vehicle remains in tip-top condition for years to come!

Ways You Can Prevent Needing Auto Repairs

Wed, 13 Nov 2024 23:09:28 GMT

Proper Car Maintenance is Key!

Aside from the occasional accident or fender-bender, most vehicles need repairs due to malfunctioning or damaged parts or due to lack of proper maintenance. While the initial cost of proper maintenance can be a bit overwhelming, it is ideal to take care of smaller issues before the problem spreads. Here are some maintenance tips to help keep repairs to a minimal level.

Oil Changes: Changing your oil routinely is fundamental to protecting your engine and making sure it functions properly. Every make and model has its own oil change schedule that you should be aware of as the car owner, but a mechanic will also let you know when your next oil change is due. On average, every vehicle should have its oil changed every 5,000 to 7,500 miles, or even 15,000 if you opt for full-synthetic oil.
Brake Pad Replacement: In Buffalo, and every other city in the country, brakes are not only essential for keeping drivers and other surrounding vehicles safe, but also help to keep the wheels and suspension intact. Most often, brake pads need to be replaced every 10,000 to 20,000 miles, but if you feel vibrations or hear grinding when you brake, you should have a mechanic inspect your brakes.
Tire Rotation: Rotating your tires with every oil change helps to ensure that they are wearing down evenly. With irregular tire rotation, your tires will weather and grow thin in some areas, but not in others. This can lead to an increased risk for blowouts and steering problems.
Air Filter Changes: Air filters in a vehicle help to keep air flow throughout the car free from dust and debris inside the vehicle. A clogged air filter can cause the engine to have to work harder to operate, as well as make the air stagnant in the cab of the vehicle. A vehicle's air filter should be replaced every 15,000 to 30,000 miles.
Emission System Check: The emission system in a vehicle helps to ensure the engine is operating safely, and also helps to keep the driver and the environment safe from excessive emissions. Excess emissions will emit from the vehicle if the tailpipe or another piece is damaged, leading to an increase in emission pollution and a decrease in gas mileage.
Transmission Check: Every 30,000 to 60,000 miles, you should schedule to have your transmissions system checked, this includes checking the transmission fluid and inspecting the area for any leaks.
Cooling System Check: A leaking coolant system can lead to the engine overheating, increasing the risk of the engine having to be repaired, or worse replaced. Like the transmission system, the coolant system should be inspected every 30,000 miles.

Contact Our Transmission Shop in Buffalo, NY Today!

Bucholtz Transmission is a transmission shop providing auto repair services in Buffalo, NY, including transmission repair and diagnostics, differential repairs , and more. For more information about our auto repair services , or to schedule an appointment, contact our shop today!

Difference Between Transmission Rebuild & Repairs

Mon, 31 Jul 2023 15:37:04 GMT

What is a Transmission Rebuild?

Rebuilding your transmission isn't necessary when your vehicle receives the regular maintenance it needs to properly function. However, in the event your vehicle needs extensive repair, or is at the point that it may need replacing, consider having your transmission rebuilt.

A transmission rebuild helps to correct problems with your transmission by salvaging functioning parts and replacing damaged or faulty parts with new ones. A transmission rebuild service is often one of the more cost-effective options due to salvaging usable parts. The process of a transmission rebuild includes the following steps:

Transmission removal & dismantling
Cleaning via parts washer
Replace faulty or defective parts with new ones
Electrical repairs, when needed
Upgrades to improve performance, if available
Rebuild and reinstallation

How Are Transmission Repairs Different?

Having your transmission repaired is only a viable option for transmission with manageable damage. Once the transmission reaches the point that repairs won't be able to fix the damage, a transmission rebuild will be considered instead, if there are salvageable parts. However, transmission repairs are also different in that they are often the most cost-effective option, taking less time to perform.

Contact Our Transmission Shop for Auto Repair Services in Buffalo, NY!

Rebuilding your vehicle's transmission should be handled by professional mechanics to avoid injury, void any warranty on your vehicle, and prevent potential further damage. Bucholtz Transmission is a transmission shop that provides auto repair services, including transmission rebuilds and more, in Buffalo, NY. To learn more about our auto repair services, contact us today to ask or schedule your service!

How Often Do I Have to Change My Transmission Fluid?

Tue, 06 Dec 2022 12:34:08 GMT

Transmission Fluid: When Should It Be Changed?

Your transmission cannot function properly without the use of transmission fluid. In an automatic transmission, it lubricates moving parts, keeps the transmission cool, and provides hydraulic pressure to make external parts work. However, fluid breaks down over time and transmission fluid is no exception. In general, you should replace your fluid every 30,000 to 60,000 miles. It depends on many factors such as the type of car you drive and how often you drive. Here are some signs that indicate when you should change your transmission fluid:

Puddles of Red, Dark Brown, or Muddy Green Fluid Under the Car
Shifting Issues
Indicator Light showing High Transmission Temperature
Burning Smell
The Vehicle Hardly Moves When in Gear
Grinding Noise

Contact Our Transmission Shop Today to Schedule an Appointment!

At Bucholtz Transmission, we provide professional auto repair services to the Buffalo, NY community. We specialize in transmission repairs . Your transmission cannot function without the use of transmission fluid. Over time, transmission fluid breaks down and needs to be replaced. Generally, it should be done every 30,000 to 60,000 miles, but the exact time depends on a variety of factors. The list above indicates signs that you may need to replace your fluid. When it is time to flush your transmission and put in new fluid, we can help. Contact us today to schedule your transmission repairs!

How to Maintain Your Car’s Transmission

Mon, 08 Aug 2022 18:48:51 GMT

Tips for Maintaining Your Vehicle’s Transmission

Your vehicle’s transmission is responsible for transferring power to your vehicle’s wheels to drive at a specified speed. There are two types of transmissions, manual and automatic. A car with a manual transmission requires the driver to manually shift gears to get up to speed and slow down. An automatic transmission does this for you. Regardless of the type of transmission your vehicle has, if it stops working, your vehicle cannot move under its own power. Here are some tips for keeping your transmission in optimal condition:

Regularly Check Your Transmission Fluid: Your transmission fluid is vital to the operation of your transmission. The fluid can last up to 65,000 miles. However, it does not last forever. There can be leaks which means there may not be enough fluid in the transmission. Regularly check the fluid level to make sure that there is enough.

Keep the Cooling System of Your Engine in Good Condition: The cooling system helps prevent transmission fluid that is pumping through your gearbox from overheating. Be sure there is enough coolant in your vehicle and that your cooling system is in good condition.

Be Careful Shifting Gears: Improperly shifting gears can cause damage to your transmission. This is a common cause of transmission troubles for vehicles with manual transmissions. Be sure to upshift and downshift properly to avoid transmission damage.

Annual Transmission Inspections: Annual transmission inspections help you to identify any early warning signs before extensive damage is done. This could save you thousands of dollars in transmission repairs.

Call or Visit Our Transmission Shop Today!

At Bucholtz Transmission, we provide transmission repair and other auto repair services to the Buffalo, NY community. If you are having transmission troubles, our auto mechanics can diagnose and repair your problem. We perform transmission inspections that help detect any potential problems early. Our transmission shop can handle any type of repair including a transmission rebuild if needed. Contact us today to schedule your transmission inspection!