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Discussion Starter · #1 ·
ok well i recieved both a 3" downpipe and a 3" ghl muffler and decided to have the piping made custom. Well it turns out i did not know i had two O2 sensors so we needed to hook up the last one so we made a small hole in the piping and installed it perfectly but my check engine light still came on about 7 hours after instrallation...any comments or help...thanks in advance. http://****************.com/smile/emthup.gif
 

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Re: EXHAUST....Quick Question! (Chamillionaire)

i thought that both of the 02 sensors hooked up to the downpipe they do on my 2.5" and if that is the case i heard that it is normal to throw the cel especially on the 3" if you ran the car hard or were around idle for like 10 mins or so. if both of these are not the case i don't know but thought i'd comment anyways also make sure that the rear o2 sensor is in far enough you might be gietting the misreading that way http://****************.com/smile/emthup.gif
 

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