[chadZX]

My 83zx has started acting wierd. It runs fine until I hit about 5000rpm and go back down to idle. Then it starts idling rough and jumping between 1000 and 2000 rpm until it hits about 400rpm one time and jumps back up to 1000rpm and idles fine. Can you guys please help!!

thankz
chadzx

 

[MintCondition29k]

Vacuum leak, throttle sensor, cold start valve, i dont know that much, thats all i can think of