300ZX (Z32) Performance / Technical Discussions related to Turbo charging, Supercharging, Engine, ECU, exhaust, and etc. performance enhancements and Techical related.

crazy idle

Thread Tools
 
Search this Thread
 
Old Aug 6, 2004 | 02:11 PM
  #1  
b300z's Avatar
Thread Starter
caught the z fever
 
Joined: Jun 2004
Posts: 2,518
From: Lafayette, IN
crazy idle

After I had fixed the problems with my ignition system, I noticed that the idle was higher, usually around 1500 and sometimes around 2000. I unplugged the AAC valve and lowered the idle speed to 800 and when i went to reconnect the AAC, the idle went back up to 1500 and fluctuated from there to 1800. whenever i disconnect and then reconnect the AAC, i hear a hissing noise coming from somwhere around it as the idle goes up.
vaccum leak?? faulty IAA unit?? i think my O2 sensors are shot too.
Old Aug 9, 2004 | 05:26 PM
  #2  
topless93's Avatar
Registered User
 
Joined: Jul 2004
Posts: 67
From: In Texas
b300z, If you haven't fixed your idle problem, go to this webb site, it has some real good information.

http://home.swipnet.se/e-solutions/IdleTech.html
http://home.swipnet.se/e-solutions/IdleTech2.html

Good Luck

Last edited by topless93; Aug 9, 2004 at 05:29 PM.
Old Aug 9, 2004 | 05:50 PM
  #3  
b300z's Avatar
Thread Starter
caught the z fever
 
Joined: Jun 2004
Posts: 2,518
From: Lafayette, IN
thanks topless that helped out pretty well
i checked the aac valve resistance and it is 22 ohms, is that enough to need to be replaced
the air regluatory valve is pretty far off at 122 ohms so that will get replaced.
the connectors were pretty dirty as well so i cleaned those
there was some green stuff in them
Old Aug 9, 2004 | 08:15 PM
  #4  
topless93's Avatar
Registered User
 
Joined: Jul 2004
Posts: 67
From: In Texas
I would say yes on those. Your lucky, because mine ohms checked out dead on, so now I'm waiting on the ECU temp sensor to see if that will fix my idle problems, I also had corrosion also. Maybe together we'll get these problems behind us.
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
madkiwi
300ZX (Z32) Performance / Technical
2
Jun 6, 2015 07:40 AM
originalzboy
280ZX Performance / Technical
7
Feb 8, 2014 09:46 AM
kiboy6
280ZX (S130) Forums
28
Dec 13, 2008 01:53 AM
NISMO LMR
300ZX (Z32) Forums
7
Aug 27, 2004 06:33 AM
NISMO LMR
300ZX (Z32) Forums
4
Jul 26, 2004 09:47 AM




All times are GMT -7. The time now is 06:44 AM.