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Tuning / Diagnostics -- engine and transmission Tune and diagnostics for engines and auto transmission.

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Old 10-20-2009, 10:54 PM   #1
Lucky SOB

 
Drives: 2010 Camaro 2SS/RS
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SES: Running Lean?

The car is a LS3...

The "check engine (ses)" light came on a couple months ago when I was cruising down the freeway. Called onstar, they run the diagnostic. Well she comes back, reads me a script of what the problem is...

Emissions blah blah
Did you possibly put E-85 in?
Take to dealer with-in 7 days
Might notice less power

Well the light goes off and I forget about it... well it comes on again a couple weeks later on the freeway. Same speech from onstar. I tell them it happened a couple weeks prior so I get patched through to an advanced technical adviser. He looks into it farther and discovers the car is running lean. So I take to to the dealer, they re-tune it, and everything is great.

Well last week it comes on again on the freeway. SAME issue. So what I'm wondering is, has anyone else's car thrown this code?

And yes, I checked the gas cap
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Old 10-21-2009, 08:13 AM   #2
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Do you know what code it is?
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Old 10-21-2009, 08:25 AM   #3
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Mine is doing this as well after I put my CAI on. The 2nd day the light comes on. After about 100 miles it went off. I thought cool. Another 100 miles and it came on again and has been on ever since. Have you done any mods like this yet? I'll eventually get a tune to correct it, but haven't decided on which one to go with yet. I'm also not sure if I want to put the stock air box on or not.
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Old 10-21-2009, 09:49 AM   #4
Lucky SOB

 
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Nope, car is bone stock. And no, sorry I do not know the code number.
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Old 10-21-2009, 04:05 PM   #5
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Can a mod move this to another section where it will get more exposure? Possibly "general discussion"?
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Old 10-21-2009, 08:37 PM   #6
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Same here....installed CAI and axle back. Light came on after 150 miles or so. It has gone off, come back on. I am stil confused as to what it is.....I am looking into it and will post again when I learn more.
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Old 10-21-2009, 09:40 PM   #7
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Quote:
Originally Posted by rebelliondog206 View Post
Same here....installed CAI and axle back. Light came on after 150 miles or so. It has gone off, come back on. I am stil confused as to what it is.....I am looking into it and will post again when I learn more.

What brand of CAI do you have in yours?
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Old 10-26-2009, 01:57 AM   #8
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Bump to please move this thread to general discussion...
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