As the title suggests, I've had my '98 neon for about 5 years now. Within the past year, I've noticed that anytime it rains or there is moisture (melting snow, wet roads, etc.) the car will stutter and backfire and then it will throw the check engine light for Cylinder 4 misfire. This might happen once or twice a day when it is raining or whatever, but once it goes through its cycle the car runs fine, no backfiring, nothing.

So far I have tried a new coil pack, new plugs, new plug wires, and I even had my brother take a look at the wiring harness but he didn't seem to see anything that would trigger it.

I had an '05 SRT Neon that would throw upstream 02 sensor engine codes in the past, so I don't know if this is a neon thing or what haha.

Just looking to see if anyone has experienced this before? Maybe give me some suggestions and we can go from there?

Thanks in advance!!