Questions tagged [acceleration]
The act of increasing speed over time.
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Occasional hesitation on acceleration 2015 Subaru Forester
2015 Subaru Forester hesitates occasionally on acceleration usually at slow speeds. Some days drives perfectly then messes up the next day.
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When clutch full disengaged and engine on high revs, feeling of friction in clutch
Today I was driving my KIA cee'd 1.0 T-GDI. I was standing on a traffic light and the street was empty. So I decided to have a little fun with my car and accelerate as fast as I can. The car was fully ...
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What could be causing a grinding noise when car accelerates quickly?
My son is an hour away and we are trying to diagnose this problem on a 2001 Toyota Corolla. When the car is accelerated slowly and gradually everything is fine. However when the gas "pedal is to the ...
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White smoke from tail pipe and loss of power when accelerating
I have a 2011 GMC Sierra 1500 V6 with 145,000 miles. For about the last 6 months or so when I start the vehicle after it's been sitting for a while, a very large plume of white smoke belches out from ...
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How do I resolve acceleration issues with my Mahindra Bolero?
I have acceleration issues my Mahindra Bolero. This happened after I got the thermostat replaced. I have check with couple of workshops and ended up changing diesel filer and accelerator kit.
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Riding mower goes backwards when I press the gas
I have a craftsman ride on lawnmower (42 inch deck model 25581). It recently stopped going forward. It goes in reverse when i press the pedal down (reverse) and goes in reverse faster (as if going ...
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While riding bike , Pressing clutch turn off the motorcycle
My Motorcycle Suzuki sling shot, When riding the motorcycle at the traffic time when pressing the clutch it suddenly
turn off the motorcycle
But when put ON the choke and riding motorcycle
it ...
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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 ...
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Poor Acceleration after certain speed
I have Chevrolet Captiva and for last 2 months I am experiencing some strange issue that on the highway, once my car reaches 90 km/h or above, after a few seconds it fails to accelerate. If I restart ...
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My Honda Shine gets auto accelerated?
Year 2016
Engine 125 cc
Honda CB Shine
Running 5000km
I have Honda shine. When I start my bike it gets auto accelerated and shows RPM is 4.
When I ride my bike for long time it gets auto ...
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Toyota Avensis Verso D4-D 2002 after turbo & timing belt replacement drives differently
My Toyota broke down the other day, so there was some major work done on the engine. Not exactly unexpected (the mileage is somewhat high), but the failure was quite spectacular. Turbocharger ate ...
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Engine problem while accelerating
My car is a manual transmission car and is about 14 years old. I have recently noticed that when I am driving along in gear (ie foot is not on the clutch at all) that when I put my foot down hard on ...
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Mazda 3 gear drops at high speeds
I have a 2013 Mazda 3 i Touring sedan, with about 39,500 miles on it. I've had no issues with it before. And I had a mechanic look it over about 6 months ago when I bought it.
This just started last ...
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Difference between revving in park vs. accelerating in drive?
More specifically, what additional parts/sensors/systems are active/activated when the car accelerates vs when you revving the engine in park?
How does the electrical system differ between the two?
If ...
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Clicking noise when stopping and accelerating. AC issue?
I drive a 2014 Corolla LE. Whenever I accelerate or brake, I get a tap or a click from within the dashboard near the center vent area.
It happens when...
I accelerate from a stop.
I just tap the ...
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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, ...
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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.
...
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Nissan Quashqai acceleration problem
I have a 2009 1.5dci Nissan Quashqai diesel with 59k miles on the clock. I am experiencing the following symptoms and would appreciate any guidance the community can offer:
1) Car is ticking over ...
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vehicle will only pull when in 4 low. its a5 speed. at first it just happened to reverse but now it's the forward gears too
My 4x4 5 speed s10 blazer will only go when it's in 4 low. When it first happened it was only reverse but now it's the forward gears too
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Which acceleration threshold for blinking brake light?
I would like to modify the third brake light of my car to add blinking when a strong deceleration is detected.
What threshold should I set? given the basic rules of friction, the maximum possible ...
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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 ...
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Nissan xtrail T32 manual gear box/transmission issue?
I have a new Nissan xTrail petrol T32, and have noticed two issues.
When I change from 1st to 2nd and from 2nd to 3rd especially, it does not go as smoothly and effortlessly as the other cars I have ...
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1995 Subaru impreza acceleration problem
I recently brought a 95 Subaru impreza 1.6 ltr 5 speed manual. I put my foot down on accelerator and it spits and splutters. If i put my foot down slowly I can get up to speed, but once I'm at say 100 ...
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Should an automatic drop gears while driving flat without using any pedals, or should it cruise?
I fixed a problem with my accelerator pedal, which caused a different unexpected change to how my automatic behaves. Since it's my first automatic (I normally drive manuals), I want to know which is ...
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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 ...
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Acceleration practices and wear on automatic transmission
Does a driver's acceleration practices substantially influence the wear on a car's automatic transmission? If a driver accelerates with a RPM > 3500 from stop, is this any "easier" on the automatic ...
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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 ...
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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 ...
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Why is my car losing power when accelerating?
I have Skoda Fabia 2002 with manual gear and over the past few days I find the car losing power when accelerating fast.
When I push gas pedal to accelerate quickly (in any gear) I hear the engine ...
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Bigger/smaller tires
On a track, bigger tires have more contact therefore more traction. However, it comes at a cost of more unsprung weight. Therefore, the 0-60 time is slower as tested by Car And Driver. This was tested ...
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1997 Infiniti J30 is sometimes very slow to get power after a full stop, otherwise fine
My 1997 Infiniti J30 is sometimes very slow to get any power when I start going from a full stop. I can put the pedal to the floor, and it will slowly creep forward for 3-5 seconds, then suddenly ...
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Why does the engine have lesser pulling strength when the fuel in the tank is lesser?
I've noticed a difference that when the fuel in the tank is low, it takes a bit more time for the bike to accelerate to a higher speed than if the fuel tank is mid level or full. Same thing said by a ...
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Opel Meriva 2009 - Clicking noise
I have Opel Meriva 2009 model. It produces clicking noise while accelerating above 100km/hr. When I drive in lesser speed no noise. Also, no noise while accelerating in idle or braking. Could you ...
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Ticking noise during acceleration
I have a 98 Tahoe with 150,000 miles. When I accelerate from a dead stop I hear a ticking noise from under the vehicle. It is not present when idling or deccelerating. If I accelerate slowly the ...
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Given the following scenario, what type of engine (diesel or petrol) allows for greater acceleration and/or top speed?
I know this isn't exactly a Motor Vehicle Maintenance & Repair related question but this seems the most appropriate StackExchange community to ask it. I apologize if I am being wrong in my ...
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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 ...
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Maintains speed when I let off the gas
My 02 impala is either maintaining or picks up speed after I let off the gas pedal. It's almost acting like the cruise control in on, so I pulled the fuse to the cruise. The problem stopped for a week ...
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High acceleration and dying when brake is pressed [closed]
I have a 2003 Ford Taurus its been good, only needed a new starter and new brakes besides the standard service in the 6-7 yrs since I got it.
TL;DR:
High RPM in idle, need to ride brake to keep ...
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Corsa D Stuttering Accelaration with Malfunction Light flashing
I have a 1.2l Vauxhall Corsa D (62 plate) that has done 63K miles. A problem has developed over the last day or two that is becoming a concern, and has got worse over the last 24 hours.
Whilst ...
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Optimal acceleration for automatic transmission? [closed]
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 ...
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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 ...
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Varying acceleration while riding
My motorcycle, a KTM Duke 200, while riding is producing varying acceleration. This is during a single ride. For about a few minutes, the acceleration is alright, then after a few minutes, the ...
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My Toyota fails under full throttle but not when feathered
My car is a Toyota MK4 NA Supra and it has a problem I don't understand. When I push the throttle gently, whether in park or in drive, it gradually builds revs and moves but when I push it hard i.e ...
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What actually is brake horsepower (BHP)? [duplicate]
I know that BHP is the measure of power of an engine. I realised that I have no idea how the number (for example 540 BHP) relates to the engine itself.
Does 1 HP mean one rotation of the crankshaft ...
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Acceleration pickup of a car
When I say "Tata Winger can accelerate from 0 to 100 Kmph in nearly 19 to 20 seconds, which is quite good for this class" - how is it measured?
Is this by accelerating the car from 0 to 100 kmph on a ...
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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 ...
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Is there a car black box to help solve the mystery of Sudden Unintended Acceleration?
Drivers blame the car while car makers blame the drivers. Dozens already killed and still no clear answer to what went wrong.
It seems black boxes do not sense pedal action but are installed only to ...
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Engine not functioning properly at idle (cold or hot), during driving, slow acceleration, does not increase speed [closed]
I have a VW POLO (6N2) - 1.4 (60Hk), from February 2000.
After the car was standing still for 2 days in a rural area close to a stream (damp environment), the car had issues with being idling. Even ...
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While raising the accelerator suddenly my bike's speed goes down
While driving, I faced some problem in my bike. when I raise the accelerator suddenly my bike's speed goes down. Anyone knows what is the problem?. I'm using yamaha ss 125 cc bike.
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How Does a Stuck Purge Solenoid Cause Problems
In the WSM for my car, it lists "purge solenoid valve malfunction" as a cause of both a low idle with excessive shaking and loss of power during acceleration.
I'm wondering the exact mechanism / why /...
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