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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 05-04-2011, 09:52 PM   #1
73duster
 
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My check engine light cleared itself!

Has anyone elses check engine light clear itself? My check engine light has popped up a couple of times since i did long tubes, High flow cats and full exhaust with cam. The first two times i checked it, and cleared it with my handheld tuner. The code read engine misfire each time. Anyway, the last time it popped up again, i just kept driving with it on. It stayed that way for over a week, but today when i started the car to go to work, the check engine light stayed off. Does anyone know if the cel clears itself on it's own?
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Old 05-04-2011, 09:58 PM   #2
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Doesn't mean it will stay gone for good. There is a chance it will come back.
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Old 05-04-2011, 10:36 PM   #3
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The misfire light will clear itself after three pcm cycles with no misfire error
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Old 05-05-2011, 06:55 AM   #4
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Mine done the same thing after putting on LT and high flow cats, took bout 10 miles to come on. Stayed on for bout 2 day's.. the next morning it was out, 3 day's now it has stayed out.. It will come back eventually..
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Old 05-05-2011, 07:49 AM   #5
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It will be back
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Old 05-05-2011, 08:02 AM   #6
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You did get a tune after install on these things right?
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Old 05-05-2011, 08:20 AM   #7
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Quote:
Originally Posted by 73duster View Post
Has anyone elses check engine light clear itself? My check engine light has popped up a couple of times since i did long tubes, High flow cats and full exhaust with cam. The first two times i checked it, and cleared it with my handheld tuner. The code read engine misfire each time. Anyway, the last time it popped up again, i just kept driving with it on. It stayed that way for over a week, but today when i started the car to go to work, the check engine light stayed off. Does anyone know if the cel clears itself on it's own?

It will come back. The only way to lose the codes for good is with a tune. Talk to Ted at Jannetty.
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Old 05-05-2011, 10:15 AM   #8
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Vector is on the way
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Old 05-05-2011, 02:14 PM   #9
73duster
 
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Ted contacted me and is sending me a download for my flash tuner. It was a simple problem with a quick fix. Jannetty Racing rocks! Ted's customer service is second to none, and i highly recommend going to them no matter how far away you are, well worth it!
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