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acceleration

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Symptoms of Bad or Failing Spark Plugs
Common signs include slow acceleration, 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
Acceleration problems
Hello. Most of the time this occurs from a failing throttle body. What I would be concerned with first is the noise. If it has a failing timing chain then this can occur, but that noise will also happen if...
Question
When I start my car it cranks the 1st time and then 2nd round starts /new Battery/.it also pour acceleration after stop at light.
Hello. Hard starts and poor acceleration are typically caused by air, fuel, or spark. You are going to want to look into some of these systems a bit further. You can start with the spark plugs and ignition system. When...
Question
Hello,I drive a 96 Nissan maxima. It doesn't do this all the time but when I come to a stop in my car, sometime the rpm goes almos
Hello. A lack of acceleration and low RPMs at a stop can be caused by several components. When it comes to running issues like these, always start with the simple fixes first and then if the symptoms continue, you can...
Question
Car dies under acceleration
Hello there, many common faults will cause your 2001 Toyota Corolla to have a loss of power. Replacing the spark plugs is a great place to start as this is one of the causes. Other potential faults are the the...
Question
Truck will act like it is not getting enough fuel when cruisng. RPMs drop then comes back up or under load
Hello. I think you have called it, this is almost certainly a fuel supply issue. Installing a fuel pump pressure gauge which can be observed while driving will confirm this. Sources could include a worn out fuel pump, a fuel...
Question
My car does not want to gain any type of speed
Hi there. A lack of acceleration could be the result of several possibilities and requires proper diagnoses. Low fuel pressure, caused by a faulty fuel pump, a faulty fuel pressure regulator, a plugged fuel filter. A restricted exhaust system, plugged...
Question
My car will not get over 20 mph. What is wrong?
The battery replacement seems to be a coincidence and has no bearing on the symptom you are experiencing. The only exception to this would be if during the battery replacement, any essential wiring was disconnected or damaged, such as the...
Question
When pulling off, it feels like the rear end is dragging
If a wheel bearing in the hub was defective enough to cause drag, you would hear a tremendous amount of noise from the failed bearing. Wheels might also drag due to misalignment or failure of the brakes to retract. Misalignment...
Question
The car 166,000 miles on it, but still runs like a top...
Hello, thanks for writing in. the torque converter is the likely failure here. The torque converter drives the pressure pump for the transmission (which provides the hydraulic pressure for gear engagement, shifting, etc.). The torque converter splines are notoriously weak...
Question
Car will not move - 2007 Ford
Hello, thanks for writing in. You don't indicate whether the engine stalls when you put it in gear, or if the car simply does not move when put in gear. If the engine is stalling or does not produce power,...
Question
No acceleration in drive
Hello - first task is to check to see if there are any problem codes set, whether the Check Engine light is on or not. It is possible that the transmission speed sensor is malfunctioning as you mention, and not...
Question
Black smoke coming out from exhaust and it wont accelerate, there is no power
The black smoke indicates you have a rich fuel condition happening in your fuel intake system. This means that the fuel being supplied to the motor is too much in relation to the air supplied creating an imbalanced air/fuel ratio...
Question
My car does not drive - 2007 Honda Fit
Hello - this behavior is the power control module (PCM) telling you there is a problem with the automatic transmission. Check the transmission fluid first of course, and if low, only add Honda Z1 fluid. If the fluid is not...
Question
Camry 2008 Check Engine Light coming on and no acceleration above 20 km
Hello - the lack of acceleration or speed over 20kpm is classic behavior for a failed throttle position sensor. I would find out specifically what codes are now being set before spending any more money on parts or repair. Most...
Question
My car won't go up steep hills
Hello. Going up a hill is considered "extra load" on the engine. Issues with handling this extra load are typically due to poor engine performance. Starting with the spark plugs was a good idea. When you change the ignition coils,...
Question
When accelerating, the sound is different
Hi there. Heavy black smoke is usually a sign of a rich fuel condition present in your car's engine. When this happens, the motor is receiving more fuel than it can otherwise burn during the regular combustion cycle. This excess...
Question
I give my car gas, and it shuts down
Hi there. Are there any warning lights on? If there are any warning lights, this could lead us to the possible cause of your concern. However, low fuel pressure could be the cause. If there is not sufficient pressure in...
Question
Why is my car not accelerating?
This may be a sign of a failing throttle position sensor. The throttle position sensor (TPS) is a sensor used to monitor the throttle position of the throttle plate inside the throttle body in relation to your foot position on...
Question
Rattling noise as I change gears and accelerate
Random rattles are difficult to pinpoint without actually hearing it but I can list a common cause or two. Considering the age and mileage of the vehicle, the exhaust system is a good place to look. Exhaust systems are commonly...
Question
Car likes to make a chugging noise when accelerating up a steep hill. It usually happens around 55 mph.
Hi there: In many cases, when your Malibu begins to struggle when you're climbing a hill it's more of an indicator of fuel system issues; such as a clogged fuel injector nozzle or dirty throttle body. It could also be...

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