Car shuts off when stepping on accelerator pedal Inspection

SKU 20321 Category

Car shuts off when stepping on accelerator pedal Inspection

Common reasons for this to happen:

Let’s have a look at some of the more common causes that would make your car stall or stumble when you attempt to accelerate.

  • Faulty ignition components: The ignition coil pulls power from the battery and delivers it to the spark plugs, igniting the fuel and making the engine run. The car will display several symptoms as the ignition system wears.

Misfiring is one of the first symptoms you will see as a symptom of incomplete combustion due to improperly firing ignition components. As the situation progresses you will have trouble starting the vehicle and your fuel economy will drop dramatically. A flashing “Check Engine” light may be associated with this issue.

Finally, as the ignition system reaches the end of its life, your car will misfire and start to stall. Expect the engine to sputter, cough, and jerk, especially at higher speeds. Irregular sparking will cause the car to stall and it may shut off completely when you bring the car to a stop.

  • Faulty fuel pump: The fuel pump moves fuel from the petrol tank to the engine. If the fuel pump is malfunctioning, the engine will be getting less fuel than necessary, which will lead to performance issues, and ultimately cause the vehicle not to start.

One of the first signs of a failing fuel pump is hesitation under acceleration. As the problem progresses, the car will lose power when idling, and eventually it may shut down completely.

  • Bad fuel filter: A fuel filter strains the fuel before it reaches the engine, which protects the fuel injectors. They are essential to a well running engine and require regular replacement. If the fuel filter is not replaced at the recommended intervals, the performance and fuel economy of the engine may suffer dramatically.

A failing fuel filter may exhibit similar symptoms to a failing fuel pump. Power loss, especially on acceleration, may be the first sign. As flow continues to be impeded, the fuel filter may ultimately lead to a no-start condition, as fuel can no longer get to the engine.

  • Vacuum leaks: The engine of a car is basically a large air pump. Air is drawn into the cylinders and mixes with fuel that is compressed and ignited. The air is drawn in through a butterfly valve, which creates a vacuum. The vacuum is used to power a number of auxiliary devices.

The tiniest of leaks can cause engine performance problems. Expect a rough or too-fast idle speed. Misfiring or hesitation during acceleration is another common issue with vacuum leaks. As the leak gets worse, the car will begin to stall. A hissing sound and an illuminated “Check Engine” light will typically also be observed.

  • Bad electrical connections: Modern cars have an extensive electrical system, and a bad connection (or bad ground) can cause a number of issues. Dim or flickering lights can be a sign, as well as difficulty starting the car. In addition, the car will make a clicking noise, much like a dead battery or loose battery cable.
  • Dirty or defective idle control valve: The idle control valve controls the amount of air that goes into the engine, which allows the computer to maintain the proper engine speed.

When an idle control valve becomes contaminated or stuck, it may lead to an unsteady and rough idle. The car will stall if the valve is too clogged or when it finally fails. Suppose a small amount of pressure keeps the car running at a stop while holding the accelerator pedal down, the idle control valve may require attention. In most late model cars, this problem will usually trigger the Check Engine light.

What to expect:

A top-rated mobile mechanic will come to your home or office to determine the source and cause of the stalling condition, and will then provide a detailed inspection report that includes the scope and cost of the necessary repairs.

How important is this service?

All conditions that cause this type of stalling problem are fairly severe and require maintenance as soon as possible. None of them will get better without a repair and as they grow more severe your car may stop running altogether, which presents a safety issue for you and your passengers. If your car shuts down when you step on the accelerator pedal, runs rough, or stalls frequently, you should book an appointment for one of our mechanics to look at it immediately.

Description

Car shuts off when stepping on accelerator pedal Inspection

Common reasons for this to happen:

Let’s have a look at some of the more common causes that would make your car stall or stumble when you attempt to accelerate.

  • Faulty ignition components: The ignition coil pulls power from the battery and delivers it to the spark plugs, igniting the fuel and making the engine run. The car will display several symptoms as the ignition system wears.

Misfiring is one of the first symptoms you will see as a symptom of incomplete combustion due to improperly firing ignition components. As the situation progresses you will have trouble starting the vehicle and your fuel economy will drop dramatically. A flashing “Check Engine” light may be associated with this issue.

Finally, as the ignition system reaches the end of its life, your car will misfire and start to stall. Expect the engine to sputter, cough, and jerk, especially at higher speeds. Irregular sparking will cause the car to stall and it may shut off completely when you bring the car to a stop.

  • Faulty fuel pump: The fuel pump moves fuel from the petrol tank to the engine. If the fuel pump is malfunctioning, the engine will be getting less fuel than necessary, which will lead to performance issues, and ultimately cause the vehicle not to start.

One of the first signs of a failing fuel pump is hesitation under acceleration. As the problem progresses, the car will lose power when idling, and eventually it may shut down completely.

  • Bad fuel filter: A fuel filter strains the fuel before it reaches the engine, which protects the fuel injectors. They are essential to a well running engine and require regular replacement. If the fuel filter is not replaced at the recommended intervals, the performance and fuel economy of the engine may suffer dramatically.

A failing fuel filter may exhibit similar symptoms to a failing fuel pump. Power loss, especially on acceleration, may be the first sign. As flow continues to be impeded, the fuel filter may ultimately lead to a no-start condition, as fuel can no longer get to the engine.

  • Vacuum leaks: The engine of a car is basically a large air pump. Air is drawn into the cylinders and mixes with fuel that is compressed and ignited. The air is drawn in through a butterfly valve, which creates a vacuum. The vacuum is used to power a number of auxiliary devices.

The tiniest of leaks can cause engine performance problems. Expect a rough or too-fast idle speed. Misfiring or hesitation during acceleration is another common issue with vacuum leaks. As the leak gets worse, the car will begin to stall. A hissing sound and an illuminated “Check Engine” light will typically also be observed.

  • Bad electrical connections: Modern cars have an extensive electrical system, and a bad connection (or bad ground) can cause a number of issues. Dim or flickering lights can be a sign, as well as difficulty starting the car. In addition, the car will make a clicking noise, much like a dead battery or loose battery cable.
  • Dirty or defective idle control valve: The idle control valve controls the amount of air that goes into the engine, which allows the computer to maintain the proper engine speed.

When an idle control valve becomes contaminated or stuck, it may lead to an unsteady and rough idle. The car will stall if the valve is too clogged or when it finally fails. Suppose a small amount of pressure keeps the car running at a stop while holding the accelerator pedal down, the idle control valve may require attention. In most late model cars, this problem will usually trigger the Check Engine light.

What to expect:

A top-rated mobile mechanic will come to your home or office to determine the source and cause of the stalling condition, and will then provide a detailed inspection report that includes the scope and cost of the necessary repairs.

How important is this service?

All conditions that cause this type of stalling problem are fairly severe and require maintenance as soon as possible. None of them will get better without a repair and as they grow more severe your car may stop running altogether, which presents a safety issue for you and your passengers. If your car shuts down when you step on the accelerator pedal, runs rough, or stalls frequently, you should book an appointment for one of our mechanics to look at it immediately.

view our available expert Mobile Mechanics

What our customers have to say about Fixxr

Excellent Service by Tony Da Silva

Tony was assigned to my rescue when my vehicle was not starting in the morning. Initially our appointment was scheduled at 16:30 through our communication during the day we both agreed that he can come at anytime once he has done with his other duties. He arrived an hour early at 15:30. As pro he immediately diagnosed the problem of my vehicle. The problem has been sorted now and the car is able to start smoothly. His level of professionalism and customer oriented is out of this world. Keep up with the good work Tony and Thank you.
Khaya Mnyandu
12 April 2025

Wonderful service

Thank you for the the wonderful service
Jean Dovey
9 April 2025

Satisfied customer

Thank you so much Tony for your excellent service and professionalism. I would recommend your service to others
Thamaga Malatji
6 April 2025

Flipping brilliant!

Flipping brilliant!
Ria Smit
14 April 2025

Great Service!

Fantastic service with honest feedback throughout the process. I’m going back to Tony for all my services/repairs.
Tertius Bergh
23 April 2025

Oliver Maphosa arrived on time and went all out to fix the problem my car was experiencing.

Oliver Maphosa arrived on time and went all out to fix the problem my car was experiencing. Highly recommended. Thank you
Michele G
5 March 2025

Takunda

I just wanted to say a huge thank you for getting my vehicle back on the road! I really appreciate all the hard work and effort you put in to complete everything on time. You all did an amazing job!
Constantine Mecuur
10 March 2025

Happy Customer

I’m satisfied with the rapid response received. My technician was punctual and assisted me. Thank you so much!!!
Dima
12 March 2025

I just wanted to say a huge thank you for getting my vehicle back on the road! I really appreciate all the hard work and effort you put in to complete everything on time

I just wanted to say a huge thank you for getting my vehicle back on the road! I really appreciate all the hard work and effort you put in to complete everything on time. You all did an amazing job!
Constantine M
10 March 2025

Other Fixxr Offerings

Price Match Guarentee

We will match and beat any competitors quote.

Service & Maintenance Plans

Keep your  car in top shape all year round without the stress of large upfront payments!

FLeet repair & maintenance

Your fleet is an asset and a money-maker. We offer services for commercial and personal fleets, keeping your wheels on the road.

Let our experienced consultants call you

Tell us about the service or issue you need help with