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acceleration

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Symptoms of Bad or Failing Spark Plugs
Common signs of faulty spark plugs include slow acceleration, loss of power, poor fuel economy, engine misfires, and difficulty starting the car.
How Long Does a Throttle Controller Last?
In order for your accelerator pedal to actually work as you push down on it, it needs to be connected to the throttle. In older model vehicles there was a mechanical link...
How to Replace a Car Throttle Cable
Throttle cables link the accelerator pedal to the throttle plate. This cable opens the throttle and lets air into the engine for acceleration.
How Car Acceleration Works
Going from 0 to 60 mainly involves the throttle, engine, differential, and tires of a car. How fast it takes depends on the features of these parts.

Related questions

Question
Automatic Audi A4 randomly stops accelerating
The addition of the fluids is just mere coincidence and has nothing to do with the issue. If you request a diagnostic, the first thing a mechanic would do is check for any stored diagnostic trouble codes. If there are...
Question
My car keeps jerking, almost like when a stick shift switches gears but I have an automatic 2012 Hyundai Sonata
Hello, thank you for writing in. The first possibility that comes to mind is the air intake sensors. Start by making sure idle air control valve, throttle, and EGR systems are all working well. These types of components can be...
Question
I have a 2011 6 cylinder Kia Sorento. Just changed all the spark plugs to achsah go. While driving today my car stopped accelerati
Slow acceleration has a variety of causes. Fuel injectors can become clogged over time as the tiny passages become clogged. When an injector is clogged it can degrade the performance of the vehicle and the car may accelerate slowly or...
Question
Well I been having trouble with gas pedal when I try to push on gas it goes like it doesn't want to go so I push harder and it spe
Hello, thank you for writing in. The vehicle needs to be inspected for several issues. First, the gas pedal controls the air flow into the engine, and the computer matches the amount of air to the amount of fuel needed....
Question
Car stutters when accelerating.
You could have gotten some bad gas from a gas station that has a lot of water in the fuel. When there is excessive water in the fuel, the engine will tend to run rough at a low rpm and...
Question
Shaking on acceleration over 3,000 rpm.
Check the engine for a misfire. Check the spark plugs and see if they are working and if there is park to the spark plugs. If the spark plugs are clean and there is spark to the spark plugs, then...
Question
I have a 2003 Cadillac DeVille. It makes a popping sound from driver side front wheel when you turn to right and when you give it gas.
Hello. It sounds like you have a failing cv axle. When the axle joint fails and has excessive freeplay then this noise will occur. It can also be caused by something loose in the brakes or possibly a failing suspension...
Question
My gas pedal is stuck to the floor and it takes a little while for car to speed up as it once did.
The gas pedal is broken in your car. I recommend replacing the gas pedal and the throttle pedal position sensor on the gas pedal if the new pedal does not come with a new sensor. The gas pedal has a...
Question
Engine light blinking and the oil light come on. Accelerates slow but when you get to about 30 mph it smooth out. Then when you slow down it start shake.
For the cylinder that has excessive oil in it, the oil is either coming in for the piston rings being worn or the valve guide is leaking on the intake valve causing the engine to consume the oil. If the...
Question
Have already changed plugs, plug wires, and ignition coils, but the engine still wants to stall and shake a lot.
You may need to have you crankshaft position sensor relearned or have the sensor replaced. Also the catalytic converter could be partially clogged. If everything is working properly, then it is possible that some intake bolts could have...
Question
My car makes a loud humming like whoop sound when I accelerate past 50 MPH and gets louder the faster I coming from front end.
If the noise suddenly appears at 50 mph, then check the brake system as there could be an issue with the brake pads rubbing the rotors. If the noise starts off quiet and gets louder with speed, then check the...
Question
Take off
If the rate of acceleration is greater than commanded (aka, "unintended acceleration"), you might have a problem in the electronic throttle control, throttle position sensor, idle air control, or related systems. You might take a look at the OBD-II system...
Question
My car doesn't respond to the gas pedal like it should
Hello, thank you for writing in. The engine is likely sensing an issue and compensating for it. When you restart the vehicle, the component may be passing its start up tests, and the engine stops trying to outperform itself. Start...
Question
05 ram 4x4 Vibration in the floor during acceleration, and a vibration in​ steering at cruising speed that goes away when letting off the gas.
Hi there. This sounds like the tires on the front are out of balance and the ball joints are worn and need replaced. A out of balance wheel will cause the vehicle to vibrate and may change location to the...
Question
Car check engine light is off. Car accelerates by itself in drive from 0 to 60 miles an hour. Replaced aci, no codes on computer, 1999 Ford Taurus
Hello - your Taurus has a Recall (#98V204000) against the cruise control, which can cause unintended acceleration. In a related later issue, new Taurus models had problems with twisted accelerator cables - again, from the cruise control, which may have...
Question
Acceleration automatically.
Hi there. There is an issue with the engine having a vacuum leak and the may be cruise control is coming on to accelerate the engine. First check for any vacuum leaks on the engine. If the engine is running...
Question
Hello. My 2005 Dakota makes a loud thud about part of the time half way through braking and sometimes when accelerating.
Check your suspension on your front of the vehicle. It seems that the control arm bushings are worn or damaged and the bolts could be loose causing the suspension to move around when the vehicle is under a load. If...
Question
Tapping on acceleration Honda hybrid.
Hi there. The noise could be from the lifters not filling up with engine oil until the engine is warm or the pistons have too much clearance causing a condition called "piston slap". Check to see what brand of engine...
Question
ok my 99 tahoe truck would drive over 35 mph got the problem fixd. no its a little over 10 months later and its doing it again but
It's possible you have an exhaust restriction due to a plugged catalytic converter. To check that you could either measure exhaust back pressure and/or intake vacuum (latter gives only indirect indication of a restriction though). Among the other common possibilities...
Question
03 Nissan Altima wouldn't accelerate over 50 mph.
Hi there. This sounds like the gas pedal position sensor or the throttle body position sensor is not working properly. You can try manually resetting the gas pedal position sensor. To do this, perform the following: Turn on the...

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