Ok, i have a 2002 Dodge Neon ES, with an auto trans. 2 years ago, the trans pan started leaking, and after a few months, it got patched, but for a while I was putting normal trans fluid (not ATF+4) into the trans just to keep the fluid level high (though I used ATF+4 when I did a filter, fluid, and seal change). The past few months, the car has been acting oddly: "sputtering" (for lack of a better word) shaking when backing up, shaking after coming off the expressway, and not having a whole lot of power when I step on the gas, even "slipping", ie giving power in jumps, when I do accelerate. I say its the trans (more specifically, the torque converter, since I heard from a parts guy at a Chrysler dealership that the torque converter likes to go on the 41TE auto transmissions, so I'd guess more so because of the leaking and wrong fluid refilling incident), but the car pulls no trans codes and my friends and family say its other things, like the distributor or fuel delivery. So what do you guys say?

 

first thing i would do is put atf+4 and a new filter in it. NEVER use anything but atf+4. you can almost cure a neon tranny issue with a filter and ATF+4

PS. try posting in the gen2 neon section. you will get more responces.

 

using the on-off on-off trick, i got the codes P 302 and P 1684

 

[ul][*]Incorrect transmission fluid (cost: $40-60) - most common problem![*]Solenoid pack (cost: about $60-$150 plus labor. May just be clogged.)[*]Computer needs retraining (cost: time)[*]Ground strap broken/missing - may be misdiagnosed as needing a new transmission and/or computer! (cost: $10)[*]Bad input sensor[*]- “Can be seen on scan tool screen as input rpm —if it’s 0, replace the sensor.”[*]Computer firmware needs upgrade (cost: Chrysler dealer should do this for free; may be up to $200)[*]Incorrect filter used[*]Loose electrical connection (cost: time)[*]Leaking seals (cost: rebuilding)[*]Torque converter problems - see the bump shift section[*]Note: if you are having the "bump shift" see the bump shift section, below. [/ul]
there is some possibilitys if yours still having the problem