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Assuming this is a recent development, if you have an automatic transmission, the shift points may need to be adjusted. Older vehicles had a linkage (a lightweight bar, a rod or a cable) connected from the throttle to the the tranny and/or a vacuum line from the throttle body connected to a servo on the tranny. Check any vacuum lines to the tranny for leaks and check any cables or linkages that connect the throttle to the tranny (they will move when you move the gas pedal) to see if they are kinked, loose or disconnected.
Newer vehicles are controlled electronically, so unless the check engine light has come on, you may have to look for other things, like low compression. Low compression could affect vehicles of any age, but will affect performance at all speeds.
Low compression in the engine has nothing to do do with the way a Constant Velocity Transmission works.Again,
I am not saying that is wrong. It is actually a good answer but not my words. My original answer was: It could be so many things. If it gets up to 50 or so okay but when you try to accelerate it does not accelerate as it should it may be starving for fuel, i.e. filter clogged and the engine does not get the fuel it needs, or one of many sensors, for example the 02 sensor that is part of what sets the fuel/air trim could be going out. Or if you hit the gas it's not downshifting as it should, that will "lug' the engine and 'bog it down'. You don't say what year you car is but if you get your OBD codes scanned it will tell you a lot. Most any parts house will scan your OBD for faults free. You will get a code that begins with "P" followed by 4 numbers. Write down the codes and bring them to my message board, or right here and I will be happy to help you make a decision on a soloution. ~David
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∙ 10y ago
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When accelerating to 25 mph there is a pulsation in car and same slowing down but not at high speed?
One tire has a belt separation.
What causes the car to hesitate when accelerating at speeds below 20mph?
Bad speed sensors can cause the car to hesitate when accelerating at speeds below 20 mph. The blockage of the air filters can also cause the car to hesitate when accelerating at speeds below 20 mph.
What would cause a car to stall out accelerating above 40 mph?
If car stalls out when accelerating above 40 MPH, it can possibly be caused by fluid leaks. Another reason can be a defect at the transmission.
How is it possible for a car to be accelerating if its speed is a steady 65 mph?
The term accelerating means increasing in speed, so if a car holds its speed steady at 65 mph, it is not accelerating. It is still running its engine, to overcome air resistance and other forms of friction, but that is not the same thing as acceleration.
What is the acceleration of a car that is going at a steady speed of 74 mph?
If something is traveling at a "steady" speed, it can't be accelerating.
Why would your car jerk at the 10 mph than trouble accelerating afterwards?
Could be as simple as a tune up.
What is the cause of the whole car violently shaking when accelerating from low speeds up to about 70 mph?
Could be tires out of balance. Or a bad tire.
What is the top speed of a dodge stealth rt?
Computer limited - 150 mph top speed depends on the car i stopped accelerating at 154 for fear for my life
If A sailboat sails down the James River due South at exactly 15 mph for 1 hour. Is the sailboat accelerating?
No. The speed is constant and does not change.
How much distance is covered accelerating to 60 mph in 7.2 secs from a stop?
If accelerating to 60 MPH in 7.2 seconds from a stop you would go 3 miles. This is considered a math problem.
What distance is traveled accelerating from 0 mph to 35 mph?
How fast are you accelerating? If I accelerate very slowly, I can travel about 100 miles before reaching 35 mph. On the other hand, a rocket propelled automobile could achieve 35 mph from standstill within ten feet.
What is the worlds costly car and why?
Bugatti Veyron $1,700,000. This is by far the most expensive street legal car available on the market today. It is the fastest accelerating car reaching 0-60 in 2.6 seconds. It claims to be the fastest car with a top speed of 253 mph+. However, the title for the fastest car goes to the SSC Ultimate Aero which exceed 253 mph pushing this car to 2nd place for the fastest car.
