i just did my swap on my ek...b20...b16 head...it works good...but it revs up and down...idle problem or something...but at times it turns off..completely........just would lile to know more bout it iknow it some bout idle problemsor sensors....dat are bad......????? wat could it be tho...

 

Well.. its probably got a check engine light on.. So what is the car telling you it is?

 

my check engine is on becuase of my o2 sensor....but sometimes its idles normal..and sometimes it just plays around with the rpms