Engine hesitation almost by definition usually goes back to a misfire in one or more of the cylinders.
Floor the gas and car hesitates.
A throttle position sensor tells the vehicle s computer how far the throttle is open and how hard the accelerator is being pressed.
You just need to find out what s causing the misfire.
There could be many different factors causing this situation with your car but many times this hesitation is caused by something that we can take care of by our selves a dirty maf sensor.
Instead of get up and go you get hurry up and wait.
Moisture in the car s distributor cap can cause a car to jerk when accelerating.
The car may not be getting the right mix of air and fuel to burn the spark plug may not ignite at the right time the exhaust gases may not be leaving the system correctly.
Faulty fuel pump.
A car hesitates when accelerating is a symptom that shows an imperfect internal combustion in your engine.
So you step on the gas from a dead stop and instead of smoothly getting you down the road your car s engine stumbles and hesitates for a moment.
Insufficient burning inside the engine will make the car hesitates or jerks when driving.
Sometimes when we are cruising in our cars and decide to accelerate either slightly or harder we experience an annoying hesitation or stalling.
The fuel pump moves fuel from the gas tank to the engine.
Car hesitates when i floor it when car is warm and gas pedal is fully depressed rpms climb to 4000 rpm then immediately fall to 2500 then climb back to a maximum of 6000 rpm all without changing pressure on the gas pedal.
If the fuel pump is malfunctioning the engine will be getting less fuel than necessary which will lead to performance issues and ultimately cause the.
Moisture can accumulate inside the distributor cap that can cause the engine to misfire which in turn causes the jerking.
Irregular sparking will cause the car to stall and it may shut off completely when you bring the car to a stop.
You know how frustrating it can be when your car hesitates when you step on the gas.
This could happen during acceleration driving downhill or gear change.
But you can troubleshoot this common problem maybe even fix it yourself.
This is a common scenario when the car is parked outdoors and the weather is cold.
The misfire is causing the hesitation.
The causes of car not accelerating when pressing gas can be many.
Or worse yet you try to pass someone on a two lane road punch the gas pedal and there s a brief hiccup before you start around them.
At the very least you ll be able to give your mechanic a head start and save yourself the extra money it will cost for a diagnosis.