hello everyone .. new here .. just bought an 08 2wd X .. got a problem .. About every 3to4 starts I put the key in an try to start but the starter just clicks . sometimes it'll turn over an run funny then die . Other times turns over an runs just fine .. I heard about a relay or bad sensor .. any ideas ? Greatly appreciated .. also I think it's stock rad an tranny fluid .. gonna replace rad an flush an fill tranny .. should I use Nissan S type ? Thanx again ya'all