C5 Tech Corvette Tech/Performance: LS1 Corvette Technical Info, Internal Engine, External Engine, Tech Topics, Basic Tech, Maintenance, How to Remove & Replace
Sponsored by:
Sponsored by:

Check engine light not working.

Thread Tools
 
Search this Thread
 
Old Mar 3, 2010 | 01:07 PM
  #1  
540 vette's Avatar
540 vette
Thread Starter
Race Director
20 Year Member
Liked
Loved
Community Favorite
 
Joined: Jan 2002
Posts: 11,614
Likes: 350
From: No Where USA
Default Check engine light not working.

Yes I am complaining that the check engine light is not working. It doesn't come on when you turn the key on. It was working a few weeks ago when I discovered a code 0410. I got that fixed today and then noticed the check engine light wasn't coming on at start up.
In N.Y. you can't pass inspection unless that is on at start up.

Any ideas...bad bulb.....

Also no codes on my scanner. Everything is fine with the car.
Reply
Old Mar 3, 2010 | 01:25 PM
  #2  
540 vette's Avatar
540 vette
Thread Starter
Race Director
20 Year Member
Liked
Loved
Community Favorite
 
Joined: Jan 2002
Posts: 11,614
Likes: 350
From: No Where USA
Default

Well I just went and started the car and the light worked. I shut the car down and then tried it again and the light didn't come on. Now instead of a minor problem it os a pain in the azz. I hate intermittent problems like this. My luck I take it for inspection and it won't light.

Still no codes.


Just went out and started it again and the light went on. It seems to work after you shut the car down and let it sit for a couple of minutes. But once you start it and let it run, then shut it. It won't come on again until you let the car sit.

Last edited by 540 vette; Mar 3, 2010 at 01:37 PM.
Reply
Old Mar 3, 2010 | 01:39 PM
  #3  
lucky131969's Avatar
lucky131969
Tech Contributor
15 Year Member
Active Streak: 30 Days
Community Builder
Liked
 
Joined: Jan 2007
Posts: 19,456
Likes: 1,165
From: Dyer, IN
Default

Originally Posted by 540 vette
Well I just went and started the car and the light worked. I shut the car down and then tried it again and the light didn't come on. Now instead of a minor problem it os a pain in the azz. I hate intermittent problems like this. My luck I take it for inspection and it won't light.

Still no codes.


Just went out and started it again and the light went on. It seems to work after you shut the car down and let it sit for a couple of minutes. But once you start it and let it run, then shut it. It won't come on again until you let the car sit.

I think you need to step away from the car.......you are creating your own problems..........
Reply
Old Mar 3, 2010 | 01:46 PM
  #4  
Bill Curlee's Avatar
Bill Curlee
Tech Contributor
Supporting Lifetime Gold
Veteran: Navy
25 Year Member
Liked
Community Favorite
 
Joined: Dec 1999
Posts: 32,910
Likes: 2,402
From: Anthony TX
CI 6,7,8,9,11 Vet
St. Jude Donor '08
Default

Sounds like the bulb is making poor contact with the board. Disassemble it and inspect the bulb/mount. Just take it to the inspection station. If it fails, you getr ONE FREE reinspection and a 15to 30 day grace period to get it right.
Reply
Old Mar 3, 2010 | 02:05 PM
  #5  
540 vette's Avatar
540 vette
Thread Starter
Race Director
20 Year Member
Liked
Loved
Community Favorite
 
Joined: Jan 2002
Posts: 11,614
Likes: 350
From: No Where USA
Default

[QUOTE=lucky131969;1573294082]I think you need to step away from the car.......you are creating your own problems..........[/QUOTE

Maybe you are right. Maybe it has been doing this all along and I just haven't noticed it. I usually don't sit in the car and turn it off and right on again.
I just went and started it and it worked fine. But when that state inspector gets in there it won't work, just my luck. I hate this time of the year, all my cars need inspection and there is something that always pops up and it is tax time and I always owe.
Reply
Old Mar 3, 2010 | 02:34 PM
  #6  
dgrant3830's Avatar
dgrant3830
Tech Contributor
10 Year Member
 
Joined: Dec 2006
Posts: 10,962
Likes: 29
From: Van Buren Arkansas
Wounded Warrior Escort '11
Default

Might be a flaky lamp itself. I think its just a 194 bulb.
Reply
Old Mar 3, 2010 | 02:56 PM
  #7  
lucky131969's Avatar
lucky131969
Tech Contributor
15 Year Member
Active Streak: 30 Days
Community Builder
Liked
 
Joined: Jan 2007
Posts: 19,456
Likes: 1,165
From: Dyer, IN
Default

Originally Posted by 540 vette
Maybe you are right. Maybe it has been doing this all along and I just haven't noticed it. I usually don't sit in the car and turn it off and right on again.
I just went and started it and it worked fine. But when that state inspector gets in there it won't work, just my luck. I hate this time of the year, all my cars need inspection and there is something that always pops up and it is tax time and I always owe.
I don't think this is a problem...especially if you are turning off, and immediately restarting. For comparison, I just did this same exercise on my 2000 silverado: Key to on, MIL on, start vehicle, MIL goes out. Shut down, and immediately restarted...MIL did not come back on. I had to wait ~8 seconds from shutdown, to restart for the PCM to test the MIL again. I suspect there is a time observed before the PCM will run the diagnostic again. The last thing you want to do, is tear apart your dash......if this is completely normal.


My vette is hibernating for the winter........any of you warm weather guys that can try this little experiement?
Reply
Old Mar 3, 2010 | 03:04 PM
  #8  
540 vette's Avatar
540 vette
Thread Starter
Race Director
20 Year Member
Liked
Loved
Community Favorite
 
Joined: Jan 2002
Posts: 11,614
Likes: 350
From: No Where USA
Default

Originally Posted by lucky131969
I don't think this is a problem...especially if you are turning off, and immediately restarting. For comparison, I just did this same exercise on my 2000 silverado: Key to on, MIL on, start vehicle, MIL goes out. Shut down, and immediately restarted...MIL did not come back on. I had to wait ~8 seconds from shutdown, to restart for the PCM to test the MIL again. I suspect there is a time observed before the PCM will run the diagnostic again. The last thing you want to do, is tear apart your dash......if this is completely normal.


My vette is hibernating for the winter........any of you warm weather guys that can try this little experiement?

I keep trying it and it seems to be 8-10 seconds. It might be normal and I have never noticed it. Thanks for your help.
Reply

Get notified of new replies

To Check engine light not working.

Corvette Stories

The Best of Corvette for Corvette Enthusiasts

story-0

10 Ugly Corvettes That We Still Kinda Love

 Joe Kucinski
story-1

Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer

 Brett Foote
story-2

10 Things Every Corvette Owner Needs (2026 Edition)

 Michael S. Palmer
story-3

8 Most "Only Corvette Owners Understand" Quirks and Problems

 Pouria Savadkouei
story-4

10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years

 Joe Kucinski
story-5

How Much Horsepower Every Corvette Engine "LOST" in 1972

 Joe Kucinski
story-6

Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

 Michael S. Palmer
story-7

Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

 Joe Kucinski
story-8

150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

 Joe Kucinski
story-9

8 Coolest Corvette Pace Cars (and Replicas) of All Time

 Verdad Gallardo




All times are GMT -4. The time now is 04:20 PM.

story-0
10 Ugly Corvettes That We Still Kinda Love

Slideshow: 10 ugly Corvettes that we still kinda love.

By Joe Kucinski | 2026-06-03 10:34:17


VIEW MORE
story-1
Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer

A lot of money has changed hands at the online auction house over the years.

By Brett Foote | 2026-06-03 10:21:50


VIEW MORE
story-2
10 Things Every Corvette Owner Needs (2026 Edition)

Slideshow: 10 great gifts Corvette enthusiasts actually want for Father's Day!

By Michael S. Palmer | 2026-06-03 15:43:40


VIEW MORE
story-3
8 Most "Only Corvette Owners Understand" Quirks and Problems

Slideshow: These are the quirks, annoyances, and oddly lovable problems that every Corvette owner eventually learns to live with.

By Pouria Savadkouei | 2026-05-28 09:31:39


VIEW MORE
story-4
10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years

Slideshow: 10 reasons why the C6 Z06 is still a performance benchmark after 20 years.

By Joe Kucinski | 2026-05-27 17:20:09


VIEW MORE
story-5
How Much Horsepower Every Corvette Engine "LOST" in 1972

Slideshow: How much horsepower every Corvette engine lost in 1972.

By Joe Kucinski | 2026-05-27 16:54:53


VIEW MORE
story-6
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

Slideshow: How to Protect A Convertible Top: 10 DOs & DON'Ts

By Michael S. Palmer | 2026-04-03 00:00:00


VIEW MORE
story-7
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

Slideshow: The 10 most explosive Corvettes ever built based on power-to-weight ratio.

By Joe Kucinski | 2026-05-20 07:23:03


VIEW MORE
story-8
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

Slideshow: From C1 to C8 we compare every Corvette generation by the numbers.

By Joe Kucinski | 2026-05-12 16:54:12


VIEW MORE
story-9
8 Coolest Corvette Pace Cars (and Replicas) of All Time

Slideshow: Some Corvette pace cars became collectible legends, while others perfectly captured the look and attitude of their era.

By Verdad Gallardo | 2026-05-11 09:50:51


VIEW MORE