rpm stability

jburgosd · Nov 27th, 2007, 01:10 PM

Hi, maybe anyone of you can know why the rpm are not stable in a Sentra B14 1996???

GA16DE · Nov 27th, 2007, 08:19 PM

Do you mean an erratic idle (fluctuates around)?

jburgosd · Nov 29th, 2007, 06:54 PM

Yes, sometimes is in 1000 rpm, sometimes is between 700 and 1200 rpm. But never is static.

I have make calibrations and fix my car but the problem always persist.

GA16DE · Nov 29th, 2007, 08:53 PM

So this is an idle problem, and I assume when the engine is warm? If that's the case, you might try reading through this thread: http://www.nissanforums.com/s13-240s...when-warm.html. Some other threads I have read recommend changing the PCV valve as well. I've never had this problem before myself, but hopefully someone else who has had this problem can chime in and hopefully help out. Hope this helps in some way.

scooterbob · Nov 30th, 2007, 08:52 AM

I had this same problem on my 95. It ended up being that I needed to reground the MAF sensor. There is a write up on it somewhere, but it's been a while since I used it. Try searching or maybe someone else is familiar with where it is posted.

jburgosd · Nov 30th, 2007, 05:41 PM

thank you very much, i am going to make a revision of my car attending your suggestions.