The act of increasing speed over time.
Questions tagged [acceleration]
186 questions
13
votes
2 answers
Accelerator pedal stuck briefly - how to make sure it doesn't happen again?
While reversing into my drive the accelerator pedal briefly got stuck - luckily in the "up" position, not the "down" position, but given the hump in my drive that needs a little gas to get over, it still led to causing an embarrassing traffic hold…
user56reinstatemonica8
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11
votes
2 answers
When I step on gas pedal, the engine revs up but there is no acceleration
When I step on gas pedal, the engine revs up but there is no acceleration. When step off gas a bit it car starts to accelerate again. It's a manual transmission. 2005 Toyota Corolla. This is happening more and more frequently.
Is this a problem with…
josi
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10
votes
5 answers
Scooter: Motor goes off when accelerating
A friend wants to sell me a scooter for a very cheap price. It is a Chinese model (Qingqi QM125T-10M). Probably a 125cc machine.
He tells me that the scooter worked fine and he used it to go to work every day until he lost the key. The scooter was…
Elmue
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8
votes
2 answers
06 Solstice - weird hesitation / bogging under heavy throttle
I wonder what percentage of the questions here are from me about this car...
When I try to accelerate with more than about 60-75% throttle at lower RPM (say, under 3k or so), the car starts to accelerate, then acts like there's a fuel cut. This will…
3Dave
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8
votes
3 answers
Rough Low Idle and Engine Shakes, Hesitation and Lack of Power
On a 98 Mazda 626 GF 2L I'm working on the engine seems to shake / wobble for about a second / second and a half when going to WOT from any starting rpm. It also almost sounded like maybe one of the belts was even momentarily slipping. If I…
Robert S. Barnes
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7
votes
1 answer
Slow acceleration when pressing hard on the gas
I have a 99'chevy camaro z28. It has been accelerating very slowly and eventually dying on me. I've changed the battery, spark plugs and the fuel filter. It manages to turn on and stay on fine. It has 310 Hp, but when I floor it, it feels as if it…
Carlos izquierdo
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7
votes
1 answer
Warm fuel injected engine stutters when accelerating
I have a 1994 Honda Concerto 1.5l gasoline car, fuel injected.
When the engine is cold there are no accleration problems. But once it warms up it stutters if I step hard on the gas.
When it does this is only stutters until it reaches a certain…
ssimm
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6
votes
2 answers
Rough idle + slow acceleration + engine dying after spark plug change
I recently changed the spark plugs and wires on my 2002 Ford Focus SE with Zetec (DOHC) engine. I used NGK TR5IX (7397-4PK) Iridium IX plugs and Motorcraft wires.
When I received the plugs, they were gapped to about 0.03'. The owners manual it says…
J. Taylor
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6
votes
1 answer
Accelerator pedal goes to the floor sporadically while driving
One of my cars is a 1987 Chrysler LeBaron GTS, which originally belonged to my mother, and has only 30,000 miles on it. Occasionally, the accelerator pedal will go to the floor. (My mother took excellent care of the car - garaged -so much so that it…
Ana
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6
votes
3 answers
Optimal acceleration for automatic transmission?
In a car with automatic transmission, what's the best way to accelerate so as to minimize fuel consumption? Assume I'm not going to change the gears manually.
Note that I'm also considering non-flat scenarios, such as going over a hill.
For example,…
user541686
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6
votes
1 answer
What could be the result of this missing o-ring?
Consider this o-ring :
And this full diagram if you need a more global view :
For completeness sake, here are the real parts :
Where the o-ring goes :
Where the little hole leads :
The other end of the path is at the top of the venturi…
Jean-François Savard
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5
votes
1 answer
Loud Knocking/Clicking While Turning Left
I have a 2012 Jeep Grand Cherokee which in general has had a few small issues (stock radio failure, stuck on heat only for the passenger side, and after resolving that, I'm stuck on heat only for the driver's side, to name a couple) but lately I…
Flats
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5
votes
2 answers
Reasons car loses ability to accelerate with time?
My car hasn't done vast amounts of miles (short of 60000), but already at 30-40000 I would say I noticed it's ability to accelerate has dropped.
It is still OK for my use and the fuel efficiency is good (60+ US mpg, 70+ UK mpg). I am guessing…
nsandersen
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5
votes
4 answers
What Accelerates a Vehicle With a CVT?
Back story
This has been on the back of my mind for a while. I once had a long-term rental (5 months) with a CVT transmission, and after a couple of days, I figured out the best way to drive it, and, once I got used to the engine sound not matching…
tlhIngan
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5
votes
1 answer
1998 Nissan Sentra (automatic): Hard/No (Re)start, Intermittent Stalling, Jerky Acceleration
In an attempt to be as detailed and thorough as I could be in order to correctly and potentially definitively diagnose the issue(s) plaguing the vehicle in question, this post is very long.
Specifications
Vehicle: 1998 Nissan Sentra GXE
Engine:…
Danny
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