CorvetteForum - Chevrolet Corvette Forum Discussion

C7 Tech/Performance Corvette Technical Info, Internal Engine, External Engine, Tech Topics, Basic Tech, Maintenance, How to Remove & Replace
Sponsored by:
Sponsored by:

2018 C7 Backfire Issue

Thread Tools
 
Search this Thread
 
Old Sep 20, 2018 | 01:30 PM
Share
  #1  
dmstwrd10's Avatar
dmstwrd10
Thread Starter
1st Gear
 
Joined: Sep 2018
Posts: 1
Likes: 0
Default 2018 C7 Backfire Issue
When my 2018 Corvette is in sport mode with open exhaust, under full throttle, it backfires when it shifts from 1st to 2nd The dealership said this is a common problem with the C7 and showed me a printout of the issue. Does anyone else have the issue or know if there is a fix?
Reply
0
Old Sep 20, 2018 | 01:57 PM
Share
  #2  
Route99's Avatar
Route99
Race Director
Supporting Lifetime
St. Jude 10 Year Donor
Photogenic
Loved
Community Favorite
 
Joined: Apr 2017
Posts: 10,247
Likes: 888
From: Hickory NC
2025 C5 of the Year Finalist - Modified
2022 C5 of the Year Finalist - Modified
2020 C5 of the Year Finalist - Modified
St. Jude Donor '17 thru '26
Default
Welcome to the forum and congratulations on your C7!
I would suggest you will probably have a better response posting this question directly in the C7 Tech section of the forum at https://www.corvetteforum.com/forums...rformance-169/.
Hopefully this is nothing significant.
Reply
0
Old Sep 20, 2018 | 03:41 PM
Share
  #3  
Vetteman Jack's Avatar
Vetteman Jack
Administrator
Supporting Lifetime
Veteran: Navy
St. Jude 20 Year Donor
25 Year Member
Veteran: Reserves
 
Joined: Mar 2001
Posts: 368,324
Likes: 24,777
From: In a parallel universe. Currently own 2014 Stingray Coupe.
C7 of the Year - Modified Finalist 2021
MO Events Coordinator
St. Jude Co-Organizer
St. Jude Donor '03 thru '26
NCM Sinkhole Donor
CI 5, 8 & 11 Veteran
Default
Moved to C7 Tech.
Reply
0
Old Sep 20, 2018 | 04:06 PM
Share
  #4  
ImpliedConsent's Avatar
ImpliedConsent
Burning Brakes
Veteran: Army
 
Joined: Oct 2017
Posts: 1,230
Likes: 467
From: Colorado
Default
Originally Posted by dmstwrd10
When my 2018 Corvette is in sport mode with open exhaust, under full throttle, it backfires when it shifts from 1st to 2nd The dealership said this is a common problem with the C7 and showed me a printout of the issue. Does anyone else have the issue or know if there is a fix?
Do you consider this a problem or a feature? I don't even know how to respond here... ahh... post count!
Reply
0
Old Sep 20, 2018 | 04:53 PM
Share
  #5  
stab1991's Avatar
stab1991
Racer
 
Joined: Jan 2015
Posts: 486
Likes: 74
Default
This is just what is does. It’s normal
Reply
0
Old Sep 20, 2018 | 05:42 PM
Share
  #6  
redman76's Avatar
redman76
Melting Slicks
20 Year Member
Liked
Loved
Community Favorite
 
Joined: May 2006
Posts: 2,590
Likes: 403
From: Nashville TN
St. Jude Donor '09
Default


Normal and awesome. My M7 will do it occasionally under the right conditions, but it always puts a bigger smile on my face!!! Passengers just yell "Holy Sh#@"
Reply
0
Old Sep 20, 2018 | 06:09 PM
Share
  #7  
olblue75's Avatar
olblue75
Drifting
Photogenic
Liked
Loved
Community Favorite
 
Joined: Mar 2016
Posts: 1,503
Likes: 198
From: Clarksville TN
Default
Mine does it to and was wondering if that's actually what is was doing, I wonder if it spits a flame too?? 😆😆
Reply
0
Old Sep 20, 2018 | 08:23 PM
Share
  #8  
Bill Dearborn's Avatar
Bill Dearborn
Tech Contributor
25 Year Member
Liked
Top Answer: 1
Top Answer: 3
 
Joined: Oct 1999
Posts: 41,058
Likes: 9,819
From: Charlotte, NC (formerly Endicott, NY)
Default
Originally Posted by dmstwrd10
When my 2018 Corvette is in sport mode with open exhaust, under full throttle, it backfires when it shifts from 1st to 2nd The dealership said this is a common problem with the C7 and showed me a printout of the issue. Does anyone else have the issue or know if there is a fix?
Not really an issue so there is no fix. There would be a lot of complaints if they did fix it.

Bill
Reply
0
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
Old Sep 20, 2018 | 10:50 PM
Share
  #9  
sevinn's Avatar
sevinn
Safety Car
Supporting Gold
15 Year Member
Liked
Loved
Community Favorite
 
Joined: Jul 2009
Posts: 3,755
Likes: 190
From: Baton Rouge LA
St. Jude Donor '14, '16
Default
It's perfectly normal since it cuts fuel and timing rapidly for the shift.
Reply
0
Old Sep 22, 2018 | 05:59 PM
Share
  #10  
Avanti's Avatar
Avanti
Race Director
25 Year Member
Community Builder
Loved
Community Favorite
 
Joined: Mar 2001
Posts: 19,964
Likes: 6,768
From: Bonneville Salt Flats
Default
" I don't even know how to respond here... ahh... post count!" Huh? We all start sometime!
Reply
0
Old Sep 22, 2018 | 10:45 PM
Share
  #11  
Zjoe6's Avatar
Zjoe6
Race Director
10 Year Member
Liked
Loved
Community Favorite
 
Joined: Aug 2015
Posts: 12,256
Likes: 4,745
From: SE WI
Default
Now it sounds like a supercar.
Reply
0
Old Sep 22, 2018 | 10:56 PM
Share
  #12  
Black18C7's Avatar
Black18C7
Instructor
 
Joined: May 2018
Posts: 129
Likes: 55
From: N Va Va
Default
The dealership said it's a common problem and showed you a printout ??? Uhhh what........ ?? It's not a "problem" at all. It's completely normal and exactly what it's designed to do.
Reply
0
Old Sep 22, 2018 | 11:52 PM
Share
  #13  
taz2016's Avatar
taz2016
Racer
 
Joined: Jul 2016
Posts: 313
Likes: 107
From: N.E. Ohio
Default
It's not an issue it's a well liked feature!
Reply
0
Old Sep 23, 2018 | 02:38 AM
Share
  #14  
Stew24's Avatar
Stew24
Burning Brakes
15 Year Member
Conversation Starter
Liked
Top Answer: 1
 
Joined: Jul 2009
Posts: 860
Likes: 362
From: Maumelle AR
Default
There's a Nurburgring video in the C8 Forum where the new C8 repeatedly hits that 'POP" as the guy is manuvering around the course. Sounds So GOOD!
Reply
0
Old Sep 29, 2018 | 11:07 AM
Share
  #15  
Sconn's Avatar
Sconn
Burning Brakes
 
Joined: Jun 2018
Posts: 850
Likes: 290
From: Washington State
Default
The only problem is that the exhaust doesn't do it all the time!
Reply
0
Old Oct 6, 2018 | 02:03 PM
Share
  #16  
jimxms's Avatar
jimxms
Pro
10 Year Member
Liked
Loved
Community Favorite
 
Joined: Jul 2011
Posts: 707
Likes: 55
Default
I was actually wondering if I could get more pops and bangs added when I get my ride tuned. Is it just a case of dumping extra fuel into the cylinders when letting off the throttle?
Reply
0

Get notified of new replies

To 2018 C7 Backfire Issue

Back to Subforum
C7 Tech/Performance
View Next Unread
C7 Headers Ported Int/Manfold Lean?




Click for Advanced Search
Reply Closed Thread Share
Forum Jump
Trending Topics

All times are GMT -4. The time now is 06:19 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