10-26-2009, 09:22 PM | #1 |
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Those with LT's, RESET your check engine light!
I have the Stainless works long tubes, high flow cats, 3" pipes, and currently have the 2 1/2" mufflers installed on my LS3.
I got my check engine light once I got back from Carlisle, PA after an 1,800 mile trip and after having the car for 6 days. The check engine light was nothing, really....just a small dim light that stayed lit on my dash...which I though would be there forever.:( I figured nothing could be done. Well, I ended up getting into a conversation with a retired GM employee and after a few drinks, the whole topic of the fuse pull, batter disconnect, etc came up and I mentioned that I had the SES light (check engine light). I was told that the cars computer eventually learns the new pipes and would probably adapt to the new long tubes and freer flowing air. We reset my light and the O2 code disappeared. I was told to keep an eye on it and if it didn't come back on after 50 starts, I should be fine. Well, that was about 3 weeks ago and I've had well over 50 starts. Guess what? NO MORE CHECK ENGINE LIGHT!!! So, for all of you worried about LT's and SES lights..... (this is my experience....I don't know if all results would be the same..... But you NEVER know) |
10-26-2009, 09:34 PM | #2 |
Drives: 550+RWHP 2010 camaro Join Date: Sep 2007
Location: wisconsin
Posts: 1,588
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the ecm probly has not done the catalyst monitoring test yet, its not how many starts you do, it is the obd2 driving cycle, you probly have not met the ecm requirements for the catalyst test to complete
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10-26-2009, 09:36 PM | #3 |
Drives: DD- 15' Chevy SS Sedan Join Date: Oct 2009
Location: Ft. Lauderdale
Posts: 233
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IMO and from experience its more than likely gunna come back on. if not, more power to ya
but dont worry too much, very simple to "tune out" the catylist efficency codes if it does come back
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10-27-2009, 12:27 AM | #4 | |
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Quote:
The guy I spoke with seemed to know what he was talking about (not that I'm saying you don't). It sounded odd...50 starts and all...but, he was chalk full of info and like I said, I'm WELL over 50 starts and it's been several weeks. My light came on right away (5 days) from owning it. Then again, Stainless had it for a while too. So, more than that. And, you have to add in teh starting and driving while at Toms. So, I held off before I said anything. Worst case scenario, I live with it or reset it once per month. When I get the tune, it'll happen. Until then, the warranty is worth a LOT more than a simple light. |
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10-27-2009, 09:10 AM | #5 |
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How did you reset it? I pulled my battery cable before but will get a light from just getting on the interstate. I can drive around town all day, everyday but if I just give it some throttle, it will come back.
Of course I have the V6. |
10-27-2009, 09:15 AM | #6 |
Drives: 2SS/RS Join Date: Sep 2008
Location: Western North Carolina
Posts: 7,225
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You have to reset it with a code reader, disconnecting the battery won't do it. You will have to go to the dealer or somewhere that will read codes like Auto Zone.
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10-27-2009, 11:03 AM | #7 |
Helping Build America
Drives: 2010 2SS/RS,LS3 2013 Duramax 3500HD Join Date: Aug 2008
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Global warming. Bigger carbon footprint like Al Gore
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10-27-2009, 11:16 AM | #8 | |
Drives: DD- 15' Chevy SS Sedan Join Date: Oct 2009
Location: Ft. Lauderdale
Posts: 233
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Quote:
it has no effect on the car other than not allowing the CEL on the dash to illuminate for the codes you select. you can also select for them to not even appear if the car is scanned with any type of scan tool
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10-27-2009, 11:55 AM | #9 |
Drives: DD- 15' Chevy SS Sedan Join Date: Oct 2009
Location: Ft. Lauderdale
Posts: 233
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no problem
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10-27-2009, 12:56 PM | #10 |
Love's to Detail
Drives: 2010 SS,97silverado/08crewcab Join Date: Oct 2008
Location: Greenville SC.
Posts: 1,421
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I was going to PM you Tag on this very issue cause I new you had LT's
without a tune...Thanks. |
10-27-2009, 01:05 PM | #11 |
Drives: 2010 ABM SS #14 of 2,027 Join Date: Jan 2007
Location: New York
Posts: 1,217
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Reset mine at the dealer..It came back...:(
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10-27-2009, 01:14 PM | #12 |
Banned
Drives: 2002 LS1 swapped into a 1994 Z Join Date: Sep 2009
Location: San Antonio, TX
Posts: 386
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I have HP Tuners Pro to fix these SEL issues.
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10-27-2009, 01:24 PM | #13 |
ProCharged 600 + RWHP
Drives: 2SS/RS White/Hugger Orange Join Date: Aug 2009
Location: MI
Posts: 174
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I have the Stainless works LT 2" primary s and 3" Hi flo cats and 3" exhaust with the S style mufflers. No CAI . and I have had no problems at all over 3000 miles on my car now.
I whip it all the time too. My pipes are running a little black though.
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10-27-2009, 01:31 PM | #14 |
Drives: DD- 15' Chevy SS Sedan Join Date: Oct 2009
Location: Ft. Lauderdale
Posts: 233
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give it time, the right conditions one day and you got a CEL
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