Acceleration Cable broken broken, you dump!
It can affect the way the engine idles, the pistons fire, or the acceleration behavior. If the engine is revved up it may cause misfiring, motor vibration or backfires. Accelerating might be hesitant, and engine shaking during engine idle might happen.
The Mass Air Flow Sensor will cause some of the problems that you are having with Idle and acceleration and even code 172 Change out the sensor
Adjust the idle screw.
zyou tps might be bad
On my Chevy truck it idles high when its low on antifreeze but if its not that more than likely its usually a vacuum line loose or cracked. good luck.
why does my 4.75 BRIGGS & STRATTON lawnmower engine idles high and low when cutting my grass
If the engine idles and revs up okay in neutral, it is likely the torque converter clutch lock up solenoid.
Needs a Tune up
Need a little more info. What Model and year of the vehicle?
The engine acceleration of this car is similar to other vehicles in its class.
Example sentence - My car has a V8 engine with terrific acceleration.
There pay not be any power under acceleration if o2 sensors are bad, or if certain plugs are blown. This can also be caused by a bad battery or starter.Ê