Generation III External Engine LS1 | LS6 | Bolt-Ons | Intakes | Exhaust | Ignition | Accessories
Sponsored by:
Sponsored by:

Need help with air/fuel!

Thread Tools
 
Search this Thread
 
Old Sep 24, 2009 | 02:02 PM
  #1  
RonniesLS1's Avatar
Thread Starter
12 Second Club
iTrader: (2)
 
Joined: May 2006
Posts: 114
Likes: 0
Default Need help with air/fuel!

Ok I searched for a hot second but couldn't find what I was looking for so.... here we go....

I ported my MAF and descreened it, installed it, then the SES light came on. Took it to my mechanic and he said it was because I did this that the ECU didn't know how to react to it was going crazy and running real lean. So I then purchased the 85mm SLP MAF (along with the smooth bellow and lid) because he said this would fix the problem....and it did for awhile.

3 weeks or so later now my SES light is on again and it is running real lean again. On some cold starts it will sputter and almost stall and has stalled once. Any one have this problem or know what I should do?! I'm guessing that maybe I need a tune? or new fuel injectors? or what?!
Reply
Old Sep 24, 2009 | 03:12 PM
  #2  
99Bluz28's Avatar
TECH Senior Member
iTrader: (35)
 
Joined: Nov 2007
Posts: 9,705
Likes: 12
From: C. V., Kalifornia
Thumbs up

IMO,buy some MAFs cleaner and spray down the senors in the SLP MAFS. If that doesn't solve your problem buy a new factory MAFS and sell the SLP mafs
Reply
Old Sep 24, 2009 | 04:08 PM
  #3  
RonniesLS1's Avatar
Thread Starter
12 Second Club
iTrader: (2)
 
Joined: May 2006
Posts: 114
Likes: 0
Default

hmmm i'll try that....hopefully I don't have to sell!
Reply
Old Sep 24, 2009 | 04:11 PM
  #4  
JonCR96Z's Avatar
TECH Junkie
20 Year Member
Photogenic
iTrader: (33)
 
Joined: Jan 2003
Posts: 3,006
Likes: 19
From: Asheboro, NC
Default

What's the code?
Reply
Old Sep 24, 2009 | 05:13 PM
  #5  
RonniesLS1's Avatar
Thread Starter
12 Second Club
iTrader: (2)
 
Joined: May 2006
Posts: 114
Likes: 0
Default

don't have a programer to get the code.... when I took it in the first time after porting the MAF my mechanic said the code said it was running lean... so I donno...=/
Reply
Old Sep 24, 2009 | 05:28 PM
  #6  
JonCR96Z's Avatar
TECH Junkie
20 Year Member
Photogenic
iTrader: (33)
 
Joined: Jan 2003
Posts: 3,006
Likes: 19
From: Asheboro, NC
Default

Maybe there is another issue and the MAFs just made it more pronounced.

If you can get the code it would be much easier to find a solution. Sometimes mechanics say things that are based more on opinion than fact.

The only code that specifically says lean is usually caused by a bad or over oiled MAF or a vacuum leak after the MAF.
Reply
Old Sep 24, 2009 | 05:56 PM
  #7  
RonniesLS1's Avatar
Thread Starter
12 Second Club
iTrader: (2)
 
Joined: May 2006
Posts: 114
Likes: 0
Default

Well this mechanic is a family friend and a gear-head none the less.... I changed the molested stock MAF to SLP and it was good untill like 2 days ago so you might be right with the whole another issue.... racing usually does that lol well I will take it in on Monday and see I guess....I'm guessing upgraded injectors cuz I upgraded everything on the air side...it would make sense....
Reply




All times are GMT -5. The time now is 10:32 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