TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

new injectors now car wont idle!!

Thread Tools
 
Search this Thread
 
Old Jan 29, 2013 | 10:06 AM
  #1  
onebad92's Avatar
Thread Starter
Junior Member
 
Joined: Sep 2012
Posts: 43
Likes: 0
new injectors now car wont idle!!

I just changed both injectors with stock replacements and when I started the car aftetwards it was really rough and would just die if I didnt gas it up, does anyone know whats wrong? Feels like it needs the mknimum idle speed reset or something...thanks
Reply
Old Jan 29, 2013 | 11:40 AM
  #2  
Schurkey's Avatar
Supreme Member
10 Year Member
 
Joined: Feb 2011
Posts: 1,589
Likes: 89
Re: new injectors now car wont idle!!

What was wrong with the original injectors?

Maybe the computer needs to re-learn the fuel curve? Re-setting the short- and long-term fuel compensation might be a start.

Are the new injectors firing properly? Maybe one or both are defective.
Reply
Old Jan 29, 2013 | 12:40 PM
  #3  
onebad92's Avatar
Thread Starter
Junior Member
 
Joined: Sep 2012
Posts: 43
Likes: 0
Re: new injectors now car wont idle!!

Well now that ive gotten more into it im fairly certain that its flooding because the iac is stuck shut and the cars getting no air. Now when the car is idling and I shine a flashlight in the iac port and revv it up should I be able to see the pintle moving in and out??? Because right now the pintle doesnt move at all even if I revv it up, that means its stuck shut right????
Reply
Old Jan 29, 2013 | 12:47 PM
  #4  
onebad92's Avatar
Thread Starter
Junior Member
 
Joined: Sep 2012
Posts: 43
Likes: 0
Re: new injectors now car wont idle!!

Or im sorry maybe im wording that maybe its stuck open, whichever way doesnt allow air to flow
Reply
Old Jan 30, 2013 | 11:25 AM
  #5  
onebad92's Avatar
Thread Starter
Junior Member
 
Joined: Sep 2012
Posts: 43
Likes: 0
Re: new injectors now car wont idle!!

Thanks for the non-help fellow "enthusiasts"...
Reply
Old Jan 30, 2013 | 01:33 PM
  #6  
marballfire's Avatar
Member
iTrader: (1)
 
Joined: Feb 2007
Posts: 103
Likes: 0
From: Danbury, CT
Car: 88 Camaro SC
Engine: 350
Transmission: T-5
Axle/Gears: 3.42 POSI
Re: new injectors now car wont idle!!

You can try to clean the IAC. It's possible that it is just gunked up. The procedure can be seen here https://www.thirdgen.org/forums/v6/1...ac-system.html

If that doesn't work, you can buy a new one. They're a relatively cheap part. As a band aid fix, you can adjust the throttle blades so that they are open a bit more at idle.

If none of this helps a bad CTS could cause flooding.

Also, posts like your last aren't going to get you many helpful responses...
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
MustangBeater20
TBI
11
Oct 29, 2022 09:20 PM
specialized
TPI
27
Jun 18, 2022 09:26 AM
Wade787b
TPI
2
Sep 29, 2015 01:15 PM
Armored91Camaro
DIY PROM
3
Aug 12, 2015 09:41 AM
djmarch
Tech / General Engine
5
Aug 9, 2015 05:27 PM




All times are GMT -5. The time now is 12:14 AM.