Quote Originally Posted by TheSnail
Well I got the sentra up and running yesterday which is good. But now its hittting a rev limit/breaking up at 6800rpm rather then its 8500 limit which is bad. I added new unstail fuel, still did it. I richend up the a/f since its colder now then when it was last running, but it still did it. Didnt see any vaccume leaks so I'll have to figure it out within the next few hours. I think its an unconnected plug/ground some where But I'll see. My speedo doesnt work now too, so I check into that aswell. Either way I'll let you know when I fix it, hopefully today.

Yup sounds like a ground