All of the sudden...my CEL turns OFF!!
11-28-2003
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All of the sudden...my CEL turns OFF!! Wsup my peepz....so i have had the Top Speed header/high flow cat on for abuot 4 months now...and my CEL has been on for like 3 months....so i'm driving to the store, and low and behold when i look at my odometer i'm noticing that the CEL has turned off....turned OFF! now this is a good thing, but all i'm wondering is why it went off and if and when it might come back on...i do have a stereo system in my car, but that doesn't have a damn thing to do wit it...just for your info. Any comments? Questions? I need some solution or something.... 
imp:
imp: 
11-28-2003
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Rep Power: 0 it will eventually come back on...when i first installed my hp header, my cel did the same thing. it's easier just to get an o2 simulator if it aggravates you like it did me
11-29-2003
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Rep Power: 0 I'm guessing your check engine light burnt out, Thats what happened to my srs light when I put my steering wheel on. Does it come on when you start the car?
12-02-2003
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Rep Power: 294 ahh...after like 3 days it kicked back on...friggin sucks...and my srs light has been on for years..haha...i've been a lazy *** and haven't did the DIY yet...oh well...
12-03-2003
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Rep Power: 0 I just put a highflow cat on and it took 3 days for my check engine light to come on. Although this was expected, does anyone know the real reason why the check engine light turns on?
12-03-2003
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Rep Power: 0 it comes on every once in a while for no reason just to let the driver know to change the oil, even right after a oil change. it's pretty useless, but i know how to get rid of it. you put the key in the ignition(without turning it ), hold down the tach button for 10 seconds, then turn on the ignition(while still holding the button down for 5 more seconds, then you let go of the button. the light should then go away for a while.
12-04-2003
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Rep Power: 290 Originally posted by nynezilla
it comes on every once in a while for no reason just to let the driver know to change the oil, even right after a oil change. it's pretty useless, but i know how to get rid of it. you put the key in the ignition(without turning it ), hold down the tach button for 10 seconds, then turn on the ignition(while still holding the button down for 5 more seconds, then you let go of the button. the light should then go away for a while.
it comes on every once in a while for no reason just to let the driver know to change the oil, even right after a oil change. it's pretty useless, but i know how to get rid of it. you put the key in the ignition(without turning it ), hold down the tach button for 10 seconds, then turn on the ignition(while still holding the button down for 5 more seconds, then you let go of the button. the light should then go away for a while.
thats the wrong light noob thats the service engine light 
its completely different...
dont worry we wont make fun of you...................for too long 
12-04-2003
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Rep Power: 560 as long as u have some sort of difference in exhaust gas cleanliness from o2 sensor 1 and o2 sensor 2 it shouldnt come on, it usually comes on bc the 2nd o2 is reading the same if not worse than the first one, i dont have a cat and i have both sensors in, i dont get a CEL bc of that, the only light i have is turbo related
12-04-2003
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Rep Power: 0 Whenever I was taking off my neons, I was sorta pulling on the 02 sensor on the cat because there was a wire zip-tied to it, and the engine light ended up coming on. After a day or two it went off, though.
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