I haves 2002 neon automatic an it starts idles really high then it stop an then it sputers like wan wan wan wan I can't figure it out please I just had a baby an it's they only car we have to get around any thing will help

Similar issue and solution on link
https://community.cartalk.com/t/96-dodge-neon-stalling-while-idling/28632
If you have check engine lite check for code. Most parts houses where I live will check them for free.
https://westpacparts.com/96-dodge-neon-20l-sohc-idles-rough-stalls-consistently-when-stopping
https://www.youtube.com/watch?v=vFhoNykgQtc

Have you run a OBD2 fault code test with a scanner or code reader? If not do that first and then post results.

Check for disconnect hose or a vacuum leak

check vaccum lines. inspect throttle cable and spring. if cable is warren can stop it from releasing all the way

Is your car a manual or automatic? If it is a manual, did you just change your clutch? I have a 2003 Dodge Neon and when I replaced the clutch the entire car shook; come to find out the clutch was not assembled right and wasn't balanced. I installed another clutch and it is fine now.

You may want to check for a broken vacume line it will cause a high acceleration. Also have the code extracted and see what it says let me know or post it it would be helpful in giving you a more precise diagnosis.

theres a air leak! check out your throttle body

check for major vaccum leaks and it none found then you may have a bad idle air control valve, that controls the idle start there, good luck.

Remove the Spark PLUGS, check the Condition, and AIR gap. If things are suspect, crank the engine to expel the debris,
out of the plug ports, and install new plugs.
I use and recommend BOSCH plugs, for your Model type, they do not have to be Air Gapped, and are virtually maintenance free for life.
Regards, DT

The most common source of that problem is a sticking idle control motor. As a first step, purchase a new gasket and/or O-ring for the idle control motor. Remove the motor and clean it out using aerosol carburetor cleaner. If the idle control motor was sticking, that should cure it. It the fix only lasts temporarily, you need to replace the idle control motor. This is a common problem with vehicles with over 80,000 miles on them.
Charlie