Generation III Internal Engine 1997-2006 LS1 | LS6
Sponsored by:
Sponsored by:

High idle

Thread Tools
 
Search this Thread
 
Old Sep 26, 2004 | 06:12 PM
  #1  
Mtnm2's Avatar
Thread Starter
TECH Apprentice
 
Joined: Nov 2003
Posts: 334
Likes: 0
From: Austin, Texas
Default High idle

My idle is all over the place sometimes it will idle at 1200rpm, sometimes it will idle at 2500rpm. Idle air motor??
Reply
Old Sep 26, 2004 | 07:46 PM
  #2  
strokedls1's Avatar
TECH Fanatic
iTrader: (1)
 
Joined: Nov 2002
Posts: 1,829
Likes: 0
From: Venice, Ca
Default

Idle air plunger may be not working or sticking. Try cleaning the plunger with some brake cleaner. If that doesn't work you may need to replace the sensor.
Reply
Old Sep 26, 2004 | 09:00 PM
  #3  
_JB_'s Avatar
TECH Junkie
20 Year Member
Photoriffic
Community Favorite
iTrader: (33)
 
Joined: Sep 2004
Posts: 3,766
Likes: 28
From: Tampa, FL
Default

I paid $50 for my IAC on my stang I think. I cleaned my OEM IAC and my car started to idle wierd, so I bought a new one. Now my car still doesn't run right.
Reply
Old Sep 27, 2004 | 12:31 AM
  #4  
Mtnm2's Avatar
Thread Starter
TECH Apprentice
 
Joined: Nov 2003
Posts: 334
Likes: 0
From: Austin, Texas
Default

t
t
t
Reply
Old Sep 27, 2004 | 07:11 AM
  #5  
Tommy Tucker's Avatar
On The Tree
 
Joined: May 2004
Posts: 151
Likes: 0
Default

It's probably the stepper motor in the IAC that's stuck. Undo it and lubricate it , then gently push it back in to it's base position.
If it's broken or the sensor is playing up, just disconnect the sensor and fix the idle on the screw while you wait for the new parts. You won't have any cold start help but it will see you through temporarily.
Good luck.
Reply




All times are GMT -5. The time now is 03:36 AM.

story-0
6 Gifts Neither Your Dad Nor Grad Will Shove Into the 'Trinket Drawer'

Don't get dad new socks or a grill brush this year.

By Brett Foote | 2026-06-09 14:55:56


VIEW MORE
story-1
Topdon ONE vs. Artidiag 800 BT2: Which is the Diagnostic Tablet For You?

Slideshow: We take a close look at the ONE and Artidiag 800BT2 diagnostic tools from Topdon and the reasons to buy one over the other.

By Pouria Savadkouei | 2026-05-28 11:05:11


VIEW MORE
story-2
Gas Monkey Built a 6-Wheel Ferrari Testarossa With a Corvette LT4 Engine

Slideshow: The controversial Ferrari F6 swaps its original flat-12 for a Corvette Z06-derived LT4 V8 and sends power to four rear wheels through a custom-built drivetrain.

By Verdad Gallardo | 2026-05-26 18:23:54


VIEW MORE
story-3
7 Most Reliable High-Performance Engines GM Has Ever Built

Slideshow:These GM engines didn't just make huge power, they survived abuse, boost, track days, and six-digit mileage with a reputation for refusing to quit.

By Verdad Gallardo | 2026-05-21 16:45:27


VIEW MORE
story-4
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

Slideshow: This heavily modified 1971 Camaro mixes classic muscle car styling with a fifth-generation Camaro interior and modern LS3 power.

By Verdad Gallardo | 2026-05-12 18:06:42


VIEW MORE
story-5
6 Common C5 Corvette Failures and What's Involved In Repairing Them

Slideshow: From wobbling harmonic balancers to failed EBCMs, these are the issues that define long-term C5 ownership and what repairs typically involve.

By Pouria Savadkouei | 2026-05-07 18:44:57


VIEW MORE
story-6
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

Slideshow: A modern Camaro transformed into a retro icon, this limited-run "Bandit" build blends nostalgia with brute force in a way few revivals manage.

By Verdad Gallardo | 2026-04-21 13:57:02


VIEW MORE
story-7
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

Slideshow: Cadillac didn't just crash the high-performance luxury vehicle party, it showed up loud, supercharged, and occasionally a little unhinged...

By Pouria Savadkouei | 2026-04-16 10:05:15


VIEW MORE
story-8
Top 10 Most Powerful Chevy Trucks Ever Made!

Slideshow: Top ten most powerful Chevy trucks ever made

By | 2026-03-25 09:22:26


VIEW MORE
story-9
Hennessey's New Supercharged Silverado ZR2 Has 700 HP

Slideshow: Hennessey has turned the Silverado ZR2 into a 700-hp off-road monster with supercharged V8 power and a limited production run.

By Verdad Gallardo | 2026-03-24 18:57:52


VIEW MORE