2nd Generation Specific 1986-1992 Discussion

High Idle After Tb Mod

Old 03-11-2004, 07:45 PM
  #1  
Member
Thread Starter
 
Join Date: Mar 2003
Posts: 52
Default

I just did the tb mod on my 1990 NA and am happy with the results. The only problem is that i can't get the idle to go below 2000 rpm. I adjusted the TPS and turned the idle screw in as far as it could go. My guess is that the problem is with the BAC but i don't know, and even if it is, i have no idea how to fix it. any ideas?
IHEnter is offline  
Old 03-11-2004, 08:29 PM
  #2  
Senior Member
 
Join Date: Aug 2002
Location: Eastern PA
Posts: 1,801
Default

check your thottle cable to make sure its not too tight or sticking and make sure your throttle plates are closing all the way when the throttle is not being pressed
FCmaniac is offline  
Old 03-11-2004, 09:51 PM
  #3  
Senior Member
 
Join Date: Jun 2003
Location: Culpeper, VA
Posts: 572
Default

I thought you screw it out to lower the idle. I dunno, I dont have anything to adjust my idle. It goes where it feels.
roadkill669 is offline  
Old 03-11-2004, 10:27 PM
  #4  
Senior Member
 
Join Date: Jun 2003
Location: Chicago
Posts: 226
Default

Does the TB mod involve messing with the fast idle cam? I can't remember. If not I would look there. you can adjust how open or closed the throttle plates are with that.
rx7_re is offline  
Old 03-12-2004, 01:06 AM
  #5  
Member
 
Join Date: Oct 2003
Posts: 75
Default

the set scew with the 8mm nut will lower the idle if you rotate it counter clock wise (unscrew it)



seem like cable. Make sure they are seated in the brackets properly.



If you adjust the butterflies you have to adjust the tps.



Also check your dashpot. They go bad sometimes. If they seize they can cause these symptoms
Sesshoumaru is offline  
Old 03-12-2004, 05:24 PM
  #6  
Senior Member
 
Join Date: Nov 2003
Location: Salt Lake City
Posts: 319
Default

Originally Posted by Sesshoumaru' date='Mar 11 2004, 11:06 PM
the set scew with the 8mm nut will lower the idle if you rotate it counter clock wise (unscrew it)
Ah dude **** that, that 8mm screw was the death of me, it has a nut, right, you'd think that would hold the bitch? OH NO! It wiggled loose, and idled at 5500rpm, OH SO YOU WANNA PLAY! SO i put in a nut on each side of the little hole it goes thru...WIGGLES LOOSE??? WTF!!!! SO WE PUT NOTHING BUT NUTS TO HOLD IT IN PLACE....WIGGLES LOOSE!!!!!!!!!!!!!!!



SO, WE GET THE JB WELD SOME NUTS......









WHATS UP NOW BITCH? WHERE YOU GOING? NOWHERE, ******* NOWHERE......



JB WELD
tancred is offline  
Old 03-12-2004, 05:49 PM
  #7  
Senior Member
 
Join Date: Sep 2003
Location: south jersey...VINELAND
Posts: 343
Default

Originally Posted by tancred' date='Mar 12 2004, 03:24 PM
Ah dude **** that, that 8mm screw was the death of me, it has a nut, right, you'd think that would hold the bitch? OH NO! It wiggled loose, and idled at 5500rpm, OH SO YOU WANNA PLAY! SO i put in a nut on each side of the little hole it goes thru...WIGGLES LOOSE??? WTF!!!! SO WE PUT NOTHING BUT NUTS TO HOLD IT IN PLACE....WIGGLES LOOSE!!!!!!!!!!!!!!!



SO, WE GET THE JB WELD SOME NUTS......









WHATS UP NOW BITCH? WHERE YOU GOING? NOWHERE, ******* NOWHERE......



JB WELD
hahahahaha u conquered that little bitch. tell him to spread the word to all his little friends that we ain't neva scared.
bart3lz is offline  
Old 03-12-2004, 08:27 PM
  #8  
Senior Member
 
Join Date: Nov 2003
Location: Salt Lake City
Posts: 319
Default

I have to put some comedy into the story..
tancred is offline  
Old 03-16-2004, 04:11 PM
  #9  
Senior Member
 
Join Date: Jul 2003
Location: MN
Posts: 392
Default

Did you remove the fast idle cam?? if you didnt remove the fast idle cam after doing the TB mod the spring loaded arm can catch and keep your throttle from closing all the way, I had this problem right after as well.
TII777 is offline  
Old 03-16-2004, 08:18 PM
  #10  
Member
Thread Starter
 
Join Date: Mar 2003
Posts: 52
Default

no. i left the fast idle cam on but its not attached to anything. it just seemed easier to leave it. it was just the throttle cable was too tight. i didn't even look at it after i put it back on. thanks for the help.
IHEnter is offline  

Thread Tools
Search this Thread
Quick Reply: High Idle After Tb Mod


Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

© 2019 MH Sub I, LLC dba Internet Brands

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.