PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

No one knows - - help.

Thread Tools
 
Search this Thread
 
Old Aug 16, 2007 | 04:27 PM
  #1  
olddog's Avatar
Thread Starter
Teching In
 
Joined: Oct 2005
Posts: 24
Likes: 0
From: PA
Default No one knows - - help.

Have an 05, C6 and it has had headers, Vararam and a tune since 1100 miles.

Developed a high speed burble, not a miss but almost like one and you could feel it: put in new plugs, proper spark plug wires, checked injectors- same thing.

Our dealer is really poor: gave me a VDR and we did see the MAF drop from over 10,000 to about 4800 in a matter of 200 rpm.

Put on a new MAF: same thing. I had a new T-body (OEM) and tried that, same thing. Tried tightening the intake bolts and they may have been one or two flats loose: same thing.

Dealer says you have headers and ram air and we can't help you: told them it has been fine for 19,000 miles so it wasn't that - - any ideas out there as to what is causing this burble at about 6200? (REv limiter is set to 6800 - - it isn't that).

If you think you know all ideas are welcome - - Thanks

John
Reply
Old Aug 16, 2007 | 06:39 PM
  #2  
blade2222's Avatar
TECH Apprentice
 
Joined: Jul 2007
Posts: 364
Likes: 0
Default

try changing air and fuel filters
Reply
Old Aug 16, 2007 | 06:41 PM
  #3  
olddog's Avatar
Thread Starter
Teching In
 
Joined: Oct 2005
Posts: 24
Likes: 0
From: PA
Default

Both filters are changed . . . neither, to my understanding would cause the MAF to drop as radically as it did.

Dealer is useless!

Thanks for the comment.
Reply
Old Aug 16, 2007 | 08:14 PM
  #4  
VinceTrifecta's Avatar
FormerVendor
 
Joined: Apr 2007
Posts: 165
Likes: 0
From: Seattle, WA
Default

Can you try putting the stock intake back on and see if the problem improves/goes away?
Reply




All times are GMT -5. The time now is 11:28 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