you probobly just need to change your spark plugs and wires.
The dodge neon has an optimum idle speed like any other car. The Dodge Neon's optimum idle speed at rest is between 12.9% and 13.3%.
Idle speed on a Dodge Neon is not adjustable. Idle is computer controlled with an airflow control motor on the throttle body.
it is not adjustable, controlled by the computer
The correct idle speed is 1RPM x4.2-7.888
i would have to bet on the speed sensor
Large vacuum leak. Check the hoses that hook to the intake manifold.
Due to the electronic fuel injection system in the 1997 Dodge Neon it is not possible to lower the idle speed. The engine control system computer adjusts the speed automatically.
Never.
wah wah wah
500-1200 The computer will decide.
Only if your brake booster has a vacuum leak, or the hoses going to it.
Idle speed is controled by the computer. Unless there is a screw on the throttle body it is not adjustable.