2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.
Sponsored by:

rough idel

Thread Tools
 
Search this Thread
 
Old 07-20-09, 09:35 PM
  #1  
Rotary Enthusiast

Thread Starter
iTrader: (9)
 
ICEY?'s Avatar
 
Join Date: Oct 2006
Location: Biloxi, MS
Posts: 995
Likes: 0
Received 0 Likes on 0 Posts
rough idel

ok... car idels good when headlights and everything is off.. as soon as i turn the head lights on car drops in idel and starts to idel kinda rough.. it idels at about 500 or 700 rpm... its an 89 NA...

i was thinking i might jsut need new spark plugs or something...
Old 07-20-09, 09:39 PM
  #2  
Cake or Death?

iTrader: (2)
 
clokker's Avatar
 
Join Date: Jan 2007
Location: Mile High
Posts: 10,249
Received 63 Likes on 53 Posts
Check/clean your BAC valve.
It's supposed to compensate for engine loads (like headlights).
Old 07-20-09, 09:51 PM
  #3  
Rotary Enthusiast

Thread Starter
iTrader: (9)
 
ICEY?'s Avatar
 
Join Date: Oct 2006
Location: Biloxi, MS
Posts: 995
Likes: 0
Received 0 Likes on 0 Posts
just used the search button.. couldent really find a discraiptive picture of what i should be looking for. know of any pic of it... or a pic of an engine bay and jsut circle it in paint program...

(sorry, still learning my hands on automotive)
Old 07-21-09, 01:17 AM
  #4  
Are you experienced?

iTrader: (18)
 
jjcobm's Avatar
 
Join Date: Oct 2008
Location: Illinois
Posts: 2,099
Likes: 0
Received 1 Like on 1 Post
Get the FSM, you will need it to trouble shoot the BAC anyways. It's located on the upper intake manifold. It will have a hose coming into it off the intake tube. If you look from the front passenger side, it is right below your fuel injectors. It has two small coolant hoses coming off the top of it which come off with the screw holding it, its not part of the BAC valve itself....

Does the same happen with the A/C on?
Old 07-21-09, 01:21 AM
  #5  
R.I.P. Mark

iTrader: (3)
 
jsayers's Avatar
 
Join Date: Apr 2008
Location: fairfield, iowa
Posts: 194
Likes: 0
Received 1 Like on 1 Post
https://www.rx7club.com/2nd-generation-specific-1986-1992-17/my-car-possessed-video-848481/
is it like that?
Old 07-21-09, 02:22 AM
  #6  
Rotary Enthusiast

Thread Starter
iTrader: (9)
 
ICEY?'s Avatar
 
Join Date: Oct 2006
Location: Biloxi, MS
Posts: 995
Likes: 0
Received 0 Likes on 0 Posts
its kidna like that.. but with headlight on idel drops.. with AC on idel raises.
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
joel(PA)
Group Buy & Product Dev. FD RX-7
8
10-04-15 06:07 PM
Turblown
Single Turbo RX-7's
1
09-30-15 05:58 PM



Quick Reply: rough idel



All times are GMT -5. The time now is 01:18 AM.