Midwestern Members IA, IL, IN , KY, MI, MN, MO, NE, OH, WI, KS, OK

SES Light+High Idle Code=Problem Help

Thread Tools
 
Search this Thread
 
Old Jul 14, 2009 | 02:26 PM
  #1  
STREET99's Avatar
Thread Starter
Launching!
iTrader: (3)
 
Joined: Jan 2009
Posts: 297
Likes: 0
From: Des Plaines, IL
Default SES Light+High Idle Code=Problem Help

hey guys. I was driving my car aout 5 days ago and my SES Light came on. I had a buddy of mine check it out with his scanner and said it was a code P0507(High Idle). I am new to the LSX world, and am just askinf for some help/advice on where to begin on checking things out? I was told at a local shop by me that is code was created by a Vacuum Leak. I would rather be able to fix this problem myself, rather going to take it to a shop and pay whatever they would charge. So again any help or advice would be great.? I have been trying to look up this problem off of older thread but, I dont seem to find what I need to know.

If there is anyone close/local that wouldn't mind coming by and help my fixing this,I can get some Beer and Pizza.
Reply
Old Jul 14, 2009 | 10:07 PM
  #2  
pro2low's Avatar
TECH Enthusiast
iTrader: (3)
 
Joined: Dec 2005
Posts: 630
Likes: 0
From: NW Suburbs IL
Default

call me......ill see if i can find anything. you can fill my bottle if i do haha
Reply
Old Jul 15, 2009 | 12:16 AM
  #3  
STREET99's Avatar
Thread Starter
Launching!
iTrader: (3)
 
Joined: Jan 2009
Posts: 297
Likes: 0
From: Des Plaines, IL
Default

Originally Posted by pro2low
call me......ill see if i can find anything. you can fill my bottle if i do haha
ok....

Anyone else that can help?

Last edited by STREET99; Jul 15, 2009 at 01:35 AM.
Reply
Old Jul 15, 2009 | 02:29 AM
  #4  
xephona's Avatar
On The Tree
iTrader: (4)
 
Joined: Oct 2008
Posts: 160
Likes: 0
From: Elkhorn, WI
Default

happened to me a few times... heat sometimes makes these cars throw weird codes

i got... high idle, low throttle voltage, random misfire, and an IAC code all due to it being hot out. Old sensors maybe? Clear em, see if they come back, and if they don't ... then attribute it to the car being stupid.

Temperature does some WEIRD stuff to electronic sensors... happened all the time to my jet in the desert.

EDIT: if you wanna be safe, get some electronics cleaner and clean the two sensors on your throttle body.. might help, or make you feel better.
Reply
Old Jul 15, 2009 | 11:35 AM
  #5  
STREET99's Avatar
Thread Starter
Launching!
iTrader: (3)
 
Joined: Jan 2009
Posts: 297
Likes: 0
From: Des Plaines, IL
Default

Originally Posted by xephona
happened to me a few times... heat sometimes makes these cars throw weird codes

i got... high idle, low throttle voltage, random misfire, and an IAC code all due to it being hot out. Old sensors maybe? Clear em, see if they come back, and if they don't ... then attribute it to the car being stupid.

Temperature does some WEIRD stuff to electronic sensors... happened all the time to my jet in the desert.

EDIT: if you wanna be safe, get some electronics cleaner and clean the two sensors on your throttle body.. might help, or make you feel better.
Do u mean the IAC Sensor and TB Sensor?
Reply
Old Jul 15, 2009 | 12:54 PM
  #6  
Blackhawk777's Avatar
TECH Resident
 
Joined: Feb 2006
Posts: 855
Likes: 0
From: Omahaish. Nebraska.
Default

Yup that'll be the two. I'm heading out right now to do that with mine... and my MAF and pretty much every other sensor I can reach
Reply
Old Jul 15, 2009 | 01:58 PM
  #7  
ibanez7's Avatar
TECH Fanatic
iTrader: (7)
 
Joined: Dec 2003
Posts: 1,305
Likes: 1
From: Las Vegas, from Crystal Lake IL
Default

does the car pull or surge when driving down the road? meaning does it accelerate on its own with out you pressing the gas?

my vote with be the TPS (throttle position sensor) they are cheap $30 (autozone) potentiometers, that crap out on most cars.

typically if its the IAC, it only needs to be cleaned.
Reply
Old Jul 15, 2009 | 03:34 PM
  #8  
STREET99's Avatar
Thread Starter
Launching!
iTrader: (3)
 
Joined: Jan 2009
Posts: 297
Likes: 0
From: Des Plaines, IL
Default

Originally Posted by ibanez7
does the car pull or surge when driving down the road? meaning does it accelerate on its own with out you pressing the gas?

my vote with be the TPS (throttle position sensor) they are cheap $30 (autozone) potentiometers, that crap out on most cars.

typically if its the IAC, it only needs to be cleaned.
No, I have never had any uncontrolled surging or pulling from the car. What do I need and have to do to clean the TPS and IAC??
Reply
LS1 Tech Stories

The Best V8 Stories One Small Block at Time

story-0

Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

 Verdad Gallardo
story-1

6 Common C5 Corvette Failures and What's Involved In Repairing Them

 Pouria Savadkouei
story-2

Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

 Verdad Gallardo
story-3

Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

 Pouria Savadkouei
story-4

Top 10 Most Powerful Chevy Trucks Ever Made!

 
story-5

Hennessey's New Supercharged Silverado ZR2 Has 700 HP

 Verdad Gallardo
story-6

Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

 Verdad Gallardo
story-7

Awesome K5 Blazer Restomod Comes With C7 Corvette Power

 Verdad Gallardo
story-8

10 Camaros You Should Never Buy

 
story-9

10 LS Engine Myths That Refuse to Die

 Verdad Gallardo
Old Jul 15, 2009 | 04:13 PM
  #9  
Indyjc's Avatar
TECH Apprentice
iTrader: (1)
 
Joined: Jun 2005
Posts: 306
Likes: 2
Default

I'm having the same problem, po507, idles at 700rpm,no surging,runs great,can't find an intake leak any where. Have it cleared and it still comes back. New IAC. May go out and clean the tps. Please post up if you fix it. Have you had any exhaust done work lately? Good luck
Reply
Old Jul 15, 2009 | 11:59 PM
  #10  
STREET99's Avatar
Thread Starter
Launching!
iTrader: (3)
 
Joined: Jan 2009
Posts: 297
Likes: 0
From: Des Plaines, IL
Default

Could a possible LT header gasket leak cause something like this??
Reply
Old Jul 16, 2009 | 12:21 AM
  #11  
xephona's Avatar
On The Tree
iTrader: (4)
 
Joined: Oct 2008
Posts: 160
Likes: 0
From: Elkhorn, WI
Default

Originally Posted by STREET99
No, I have never had any uncontrolled surging or pulling from the car. What do I need and have to do to clean the TPS and IAC??
Need some torx sockets, a can of electronics cleaner (should be near the brake cleaner at an auto store), and start spraying the sensors (not the wire connections)... thats about it. Isn't very complicated,
Reply
Old Jul 16, 2009 | 07:14 AM
  #12  
Indyjc's Avatar
TECH Apprentice
iTrader: (1)
 
Joined: Jun 2005
Posts: 306
Likes: 2
Default

Originally Posted by STREET99
Could a possible LT header gasket leak cause something like this??
Not sure, check them and make sure they are tight. I had a hacked up exhaust system and had a nice new system put on and the check engine light went off. After a few miles it cameback on. I'm going to try to make it to a buddies house today and have him scan it.
Reply




All times are GMT -5. The time now is 02:35 AM.

story-0
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-1
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-2
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-3
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-4
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-5
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
story-6
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

Slideshow: A one-off sports car that looks like a vintage Italian exotic-but hides a C6 Corvette underneath-just sold for the price of a new mid-engine Corvette.

By Verdad Gallardo | 2026-03-23 18:53:41


VIEW MORE
story-7
Awesome K5 Blazer Restomod Comes With C7 Corvette Power

Slideshow: A heavily reworked 1972 K5 Blazer swaps its off-road roots for a low-slung street-focused build with modern V8 power.

By Verdad Gallardo | 2026-03-09 18:08:45


VIEW MORE
story-8
10 Camaros You Should Never Buy

Slideshow: There are thousands of used Camaros on the market but we think you should avoid these 10

By | 2026-02-17 17:09:30


VIEW MORE
story-9
10 LS Engine Myths That Refuse to Die

Slideshows: Which one of these myths do you believe?

By Verdad Gallardo | 2026-01-28 18:10:11


VIEW MORE