[Z06] Ping Burst on Acceleration
Thread Starter
Advanced
Joined: Jan 2005
Posts: 70
Likes: 0
From: Martinez CA
Ping Burst on Acceleration
Can anyone clear up the question of Ping Burst on Acceleration. I've noticed that if nail the accelerator either from a stopped position or a rolling position that I get terrible Pinging. I took my car to the dealership and took a senior Corvette tech out for a test drive and duplicated it. The tech told me that Ping Burst is normal and that if I keep my foot in the throttle that the computer will correct the pinging. I'm not real comfortable with his statement. Can anyone give me some guidance on this issue.
Thanks
Thanks
Le Mans Master
Joined: May 2003
Posts: 6,937
Likes: 3
From: Orange County California
Mine pings the same way on acceleration, it has something to do with anti-knock concerns.
Try a first gear burnout and that should reset the computer, I know it does in mine, no pinging
Try a first gear burnout and that should reset the computer, I know it does in mine, no pinging
Instructor
Joined: Dec 2004
Posts: 133
Likes: 3
From: Alvin Texas
My 04 did it when I first bought it. Was an octane issue since the dealer put 89 in it. After a tank of 93 octane i haven't heard it since.
Be careful, I wouldn't trust some gas stations either and I refuse to use pumps with only one nozzle for all 3 grades. I'm weird though and go overboard sometimes.
I try to use the same station whenever possible. In your case it may not even be the fuel though. Could be in the tuning.
Be careful, I wouldn't trust some gas stations either and I refuse to use pumps with only one nozzle for all 3 grades. I'm weird though and go overboard sometimes.
I try to use the same station whenever possible. In your case it may not even be the fuel though. Could be in the tuning.
Race Director
Joined: Sep 2004
Posts: 14,406
Likes: 3
From: Cypress TX
St. Jude Donor '07-'08-'09-'10-'11-'12-'13-'14-'15-'16-'17-'18
I agree with the detonation statement. How many miles do you have, and have you ever had a fuel system de-carb service done? Pinging like what you describe is not normal - you need to track it down before serious damage is done.
Drifting
Joined: May 2004
Posts: 1,822
Likes: 2
From: San Clemente CA
Originally Posted by johny125
I'm no authority, but that sounds like detenation to me. In the old days I would say the timing is retarded which leads to burning pistons. My 01 and 02 Z's don't ping. Good luck,
John'
John'
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Melting Slicks
Joined: Nov 2003
Posts: 2,155
Likes: 56
From: Escondido CA
i had the prob in my ls1 camaro-knock sensors were bad...i would do that if ping doesn't go away after some acceleration and better octane-here in kaleforneia we run on 91-and occasionally i get some ping in 2nd -i can't hear it in 1st, to quick and loud... 
