Car won’t accelerate

It is obvious that the accelerator is an important part of a car. At the same time, it’s very easy to overlook its importance. Accelerator allows you to control the speed of the car engine and adjust it to the current driving conditions. So, what can you do when your car won’t accelerate? What could be the cause as well?

There are a number of reasons why that might be happening, but one common culprit is the battery. You can test the battery by trying to jump-start your car, but if you’re not sure how to do that, we’ve got your back.

Car won't accelerate

If your car doesn’t start, you probably have a dead battery. But a dead battery can be caused by a number of things. If your car has been sitting idle for months, the battery may have died from lack of use. If you’ve been starting it and letting it idle for a few minutes at a time, the battery may not have had enough time to fully charge.

Also, if the alternator has stopped working, the battery will drain even while you’re driving. It’s important to be able to diagnose these problems quickly so that you don’t get stranded or lose any power to your car’s electronics while driving.

My car won’t accelerate when I push the gas

If your car is not accelerating when you push the gas, the first thing to check is whether or not it is actually responding. Does it make any noise, or are the dashboard lights turning on? If your answer is yes, then there are a couple of possibilities why your car is not accelerating.

If your answer was no and your car does not make any noise or show any dashboard lights, it might be that your battery has died. In this case, attempt to jump-start your vehicle and have it inspected by a mechanic.

Another possibility is that your engine oil might be below. Check to see if the oil level on your dipstick is at an appropriate level, and add more oil if necessary. However, the chances are good that if this was the problem, your car would turn on but still struggle to accelerate when you press the gas pedal.

Yet another possibility is that something might be wrong with your fuel system. This could be due to several things, such as a broken fuel pump, a clogged fuel filter, or even a jammed fuel line.

Chevy truck losing power when accelerating

When a Chevy truck is losing power when accelerating, it could be the result of the following problems:

-The gas cap is loose or faulty.

-There are problems with the fuel filter and/or fuel pump.

-An issue with the mass airflow sensor (MAF).

-Problems with the throttle position sensor (TPS).

-A clogged catalytic converter.

-Poor maintenance habits.

If your car shows any of the followings, then you should get it straight to the mechanic to inspect and fix it asap.

Car won’t accelerate but RPMs go up

There could be a number of causes for this. It could be your transmission fluid, it could be your fuel pump, or it could be that one of the cylinders is not firing properly.

If you don’t feel comfortable troubleshooting this yourself, I would recommend taking it to a mechanic. If you want to try the troubleshooting yourself, however, here are some things you can do:

1)Check your transmission fluid. If it is low or dirty, that could be causing your problem.

2)Check your spark plugs and wires. You may need to replace them.

3)It might be that all of the above is fine, and your car just needs a tune-up. So try that.

Car misfires when accelerating

If your car is misfiring when you accelerate, you may be experiencing problems with your car’s ignition system. There are many components that can be malfunctioning, including:

  • Spark plugs
  • Spark plug wires
  • Distributor cap
  • Rotor button
  • Ignition coil
  • Ignition module

If you witness any of the followings, then you should check out the following. If you can not fix any yourself, you should get the car to your mechanic.

What can cause your car to stop accelerating?

There are lots of things that can cause your car to stop accelerating. All of these problems are fairly urgent, and you should take your car to a mechanic as soon as possible.

  1. Your throttle body is malfunctioning.
  2. Your timing belt has snapped.
  3. Your catalytic converter has failed.
  4. Your vacuum lines have been damaged or are disconnected.
  5. There is damage in one of your fuel injectors, which could be due to clogs or damage from water in the gas tank (if you live in a wet climate).

Do I Need to Take My Car into a Mechanic When it doesn’t Accelerate?

The answer is yes, and you should take your car to a mechanic when it doesn’t accelerate. Acceleration problems are often caused by something serious, such as an engine malfunction or an electrical problem. If you don’t take your car to a mechanic for these issues, you could be risking a huge repair bill later on down the road.

When your car doesn’t accelerate, you might think the problem is a big one, but it might not be. You can do a few things yourself to try to fix it before taking your car to the mechanic.

There are a lot of different causes for this issue. If you are getting a check engine light when you start your car, that’s a good indicator that there’s something wrong with the engine or emission system computer. This is a great reason to take your car to the mechanic.

If you have clogged fuel injectors or a bad fuel pump, the car may not accelerate normally. A bad fuel filter will also create issues with acceleration. If these are the problems, your car may still start, but it won’t really go anywhere when you try to accelerate.

Sometimes if you are having trouble accelerating, it’s because of an electrical issue like a bad alternator or battery charging circuit. These usually aren’t easy fixes and will require professional help from a mechanic.

Car won’t accelerate past 40

If your vehicle doesn’t accelerate past 40, we recommend taking it into your mechanic for a diagnostic test. If you’d like some more information about the possible causes of this problem, we’ve got you covered! Here are some common reasons your car won’t accelerate past 40:

-Air filter is clogged (if you haven’t had a tune-up in a while, this is probably why)

-Faulty oxygen sensor

-Bad transmission fluid

-Defective fuel pump

Do not attempt to fix any of these problems yourself; it is best that you take the car to your mechanic.

How to fix a car that won’t accelerate?

If your car doesn’t accelerate, there are a few possible causes. The most common cause is a clogged fuel filter. If this is the case, you’ll want to replace the fuel filter.

To do so:

  1. Get a new fuel filter
  2. Jack up your car and remove the fuel pump relay by pulling it out of the fuse box and disconnecting it from the harness
  3. Locate the fuel pump fuse in your car’s fuse box and remove it; this will help prevent any sparks from igniting any gas vapors
  4. Disconnect the battery ground cable from the battery to prevent electrical shorts
  5. Disconnect the fuel line from the fuel pump to prevent gasoline from flowing out of the tank when you disconnect it
  6. Remove all bolts holding down the fuel tank and carefully lift off the tank by hand; set aside carefully in a safe place
  7. Unbolt old filter and replace with a new one; clean tank with a rag before reinstalling it, if necessary
  8. Reinstall everything


If your car won’t accelerate, then it is possible that there is one or more problems with your car. We have several reasons we have shared with you that can cause your car to misbehave. Also, we have simple ways you can fix them.