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My Engine Sounds Loud When Accelerating. What’s Going on?

Rattling Sound When Accelerating

If your engine sounds loud when accelerating, the problem is most likely related to the belt, the bearings, low oil level, or probably a problem for a different component. 

⚠️ If It's Broken, Don't Fix It - Get Paid Cash for Your Vehicle ⚠️

In general, any weird noises or smells coming from your vehicle might indicate an issue that you should not ignore. Some of these issues might be minor, while others might be major and need immediate attention.

When it comes to engine noises, you should know when the noises are new or normal. For example, you've been driving your vehicle for a couple of years now; If you have noticed a change in the engine noise when exploiting, it might indicate a problem.

Many reasons could cause a situation where you were engine sounds loud when accelerating. All these reasons indicate a bigger issue happening to your vehicle: you should have it inspected and repaired by a professional mechanic immediately.

This article walks through all reasons that could cause your engine to make loud noises when accelerating. We will also provide you with additional information to help you resolve the problem. 

My engine sounds loud when accelerating. What's going on? 

Vehicles are not designed to last forever, and there will be a point of time where some major components might need immediate attention. Your vehicle will provide you with some symptoms indicating that a problem will happen before it even does.

Your engine is one of the most important components in your vehicle, and it also has a lifespan, and you will have a point where you need to get it repaired or probably replaced.

It is very important to keep an eye on weird noises coming through your engine at different times. When you hear some loud noise coming from your engine immediately after accelerating, there might be an underlying problem.

Identifying the real problem depends on the type of noise. There are different noises you might hear immediately after you accelerate, including: 

  • Squealing or squeaking 

The first strange noise you might hear as you accelerate is a squealing or squeaking noise. In most scenarios, this noise is coming due to a problem with the belt.


Your engine's belt is sitting on some pulleys, and if the belt itself or the police get worn out or lose, you will start hearing a squealing or squeaking noise because the belt is not moving smoothly along your engine's pulleys. 

  • Engine knocking 

Another very common noise coming from your engine might sound like knocking. If that's the case, you might have a problem with your engine bearings.

Your engine parts usually sit on a set of bearings, and as they wear out, they might start making knocking noises. Engine bearings damages usually happen if you have parked for a long time and didn't drive your vehicle.

Unfortunately, dealing with engine bearings problems might result in significant damages to her engine's entire block. Thus, it is recommended that if you've noticed any of this knocking noise after accelerating, it is recommended that you have your vehicle inspected and repaired by a professional mechanic. 

  • A louder vehicle 

Sometimes you might experience some loud noises coming from your vehicle, and these noises might not necessarily be associated with the engine.

You will realize that the vehicle is getting louder than before. If that's the case, you are probably having an issue with the muffler.

Muffler problems do not require immediate attention but, it is never recommended to keep driving a vehicle for a long time when dealing with a bad muffler. Thus, whenever you can, get the muffler fixed as soon as possible to prevent major damages in the long run. 

  • Engine grinding 

If the noise you hear is more like a grinding noise, the problem is most likely related to a low oil level.

Your vehicle's engine requires a certain oil level to keep it lubricated and prevent any internal friction that could cause high temperature, resulting in engine overheating.

At some point in time, your engine's oil might drop. Although some modern vehicles are usually associated with sensors and will show you an error on the dashboard and showing there's insufficient oil, older vehicles might not have that, and they probably might have broken sensors.

In that case, you will start noticing a grinding noise.

Any grinding noise is never a good sign because it is fascinating the friction between your engine's internal components, and it can result in engine damage relatively quickly.  

  • Transmission grinding 

Sometimes, a problem with an automatic transmission might cause your engine to sound like it's granting; however, another problem is not coming from the engine itself. Still, it's coming from the torque converter.

In vehicles associated with automatic transmissions, the torque converter can fail easily due to low transmission fluid. In that case, the torque converter's needle bearings will make a grinding sound due to insufficient lubrication.

Problems with the torque converter can result in major damages to the entire transmission block. Thus, you must get your vehicle inspected and fixed by a professional mechanic immediately. 

How much does it cost to diagnose loud engine noises? 

According to repairpal.com, you should expect to pay between $88 and $144 to inspect any loud noises coming from your vehicle.

Is it safe to drive with a loud engine? 

It is never recommended to keep driving your vehicle if the engine is making loud noises after accelerating.

For example, if the problem is related to the muffler, The problem might be associated with internal rust that could cause carbon monoxide to get into your vehicle, which is considered toxic for you and passengers. 

Slowly, the problem is to do too insufficient low oil level; your vehicle might experience engine overheating quickly, which can destroy the entire engine.

Thus, if it will take your time to have your vehicle inspected, this time and effort are not comparable to replacing the entire engine. 

How much does it cost to fix loud engine noises when accelerating? 

This all depends on the problem itself. For example, if the engine noises are coming from a muffler problem, expect to pay between $400 and $500. Sometimes, you might even need to add about $150 to $200, depending on your vehicle's make, model, and year.

If the problem is happening due to a low oil level, you can top up your oil which could cost you between $65 and $125.

Now, if the problem is major and it's beyond repairs. In other words, if low engine oil level resulted in two significant, we're inside the engine block, you might end up needing to replace the entire engine.

If that's the case, expect to pay between $2500 and $4000 for engine rebuilt, including both parts and labor costs. On the other hand, if you decided to install a new engine, it might cost you between $3000 up to $7000 depending on your vehicle's type and the location where you get the job done. 

Is it worth fixing my engine if it's making loud noises when accelerating? 

It all depends on the root of the problem and your vehicles on circumstances.

For example, if your vehicle is in good condition and the engine's loud noises are the only problem you're facing, you need to check on the severity of the problem. If the problem is not major, you can go ahead and get it repaired. 

On the other hand, if the problem is severe, you need to step back and evaluate the entire situation.

Check how much is the total repair cost and compared it to your vehicle's overall value. If you found that the repair costs are approaching 75% or more from your vehicle's value, it's not worth repairing it, and instead, you should sell it and use its payment toward a better vehicle.

Another thing to keep in mind is your vehicle mileage. Even if your car does not have any major problems now, major problems are expected to happen very soon if it is on more than 100,000 miles. Thus, it might not be worth fixing major engine problems at this point.

How do you sell a car with a broken engine?

If you got to a point where it's not worth fixing your vehicle's engine, you need to search for the best place that could buy vehicles with engine problems.

There are many options in front of you despite the major engine problem. Many dealerships might be interested in purchasing your car even if it has issues with the engine, especially if you're selling a high demanded vehicle.

Keep in mind that dealerships will not pay you the top dollar for this vehicle, and they usually pay under the used market value.

Another option is to check with private buyers who might want to buy your vehicle considering the engine problems. It is very rare to find a private buyer interested in dealing with engine issues because most buyers are usually interested in buying operable vehicles that they can drive immediately after purchase.

Another option for you is to donate this vehicle. Although it's not going to give you some money immediately, it can help you reduce your year's taxes, and it can help you achieve your goals by helping your favorite charity.

Lastly, the best option for you when dealing with engine damages is to sell your car to Cash Cars Buyer. Cash Cars Buyer is one of the top-rated car removal companies in the nation. We accept your vehicle and guarantee to buy it for the top dollars.

At Cash Cars Buyer, you get free towing; your vehicle will be removed immediately within one to three days and sometimes the same day if you are interested!

Here is how our process works: 

  • We first need to get basic information about your vehicle type and additional detail about its condition.
  • Then, we will provide you with an instant offer within 30 seconds of getting your vehicle's information 
  • At this point, it is your turn to review the offer and take as much time as you need before accepting it and proceed with the process. 
  • Once you accept the offer, we coordinate with you to schedule the pick-up time and location.
  • As a 24-hour car removal company, we provide you with a flexible schedule that works within your busy schedule. You can select between evenings, weekends, even the same day if you're interested. 
  • After that, we meet with you at the right time and location to inspect your car before handing you the cash payment immediately on the spot. 
  • If you do not have a title, we still will buy your car, but we will ask you to provide some paperwork to prove ownership, like your photo ID and valid car registration. 
  • Once your vehicle is picked up, we recommend that you reach out to her local DMV office and cancel your vehicle's registration. Don't forget to cancel your insurance policy to prevent paying for a vehicle that you don't own. 

The bottom line 

Any weird noises coming from your vehicle's engine indicate some issues. These issues might be minor, and some of them might be major, which you should not ignore and must repair immediately to prevent major complications.

Engine noises range from simple louder overall noise to severe grinding noise. Depending on the type of noise, repair costs can differ significantly.

If you realized that repair costs are getting close to 75% or more of your vehicle's value, it is not worth fixing this car. Therefore, you should sell it to a potential buyer who's interested in buying vehicles with broken engines.

Luckily, you are in the right location! Get in touch with Cash Cars Buyer, who guarantees to buy your vehicle knowing it has major engine problems. You can either give us a call at 866-924-4608 or visit our home page click on the free instant online offer

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