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:

Does the CEL come on at the same time

Thread Tools
 
Search this Thread
 
Old Aug 24, 2017 | 07:40 PM
  #1  
royal flush's Avatar
royal flush
Thread Starter
Racer
 
Joined: Mar 2016
Posts: 399
Likes: 31
Default Does the CEL come on at the same time

when an emmison code is set---like a 1415-1416 ect or does the light only come on after afew cycles if the code still present?

Last edited by royal flush; Aug 24, 2017 at 07:51 PM.
Reply
Old Aug 24, 2017 | 09:26 PM
  #2  
lionelhutz's Avatar
lionelhutz
Race Director
15 Year Member
Liked
Loved
Community Favorite
 
Joined: Apr 2007
Posts: 11,152
Likes: 890
From: South Western Ontario
Default

Same time.

If there is an allowance to fail the test X number of times before setting the code then the PCM will do those tests and not set the code or light until enough fails happen.
Reply
Old Aug 24, 2017 | 09:31 PM
  #3  
royal flush's Avatar
royal flush
Thread Starter
Racer
 
Joined: Mar 2016
Posts: 399
Likes: 31
Default

Originally Posted by lionelhutz
Same time.

If there is an allowance to fail the test X number of times before setting the code then the PCM will do those tests and not set the code or light until enough fails happen.
OK--what comes on first code or CEL? Or both same time on an emission code?
Reply

Get notified of new replies

To Does the CEL come on at the same time





All times are GMT -4. The time now is 07:50 AM.

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