Header/O2 Sensor Help... PLEASE!
Header/O2 Sensor Help... PLEASE! I just finished installing my LT headers, started the car up to check for leaks, and everything was fine. The car started great. Then I put my O2 sensors back in and now it takes it a minute to start. I plugged the O2 sensors into the rear slots, not the front, because that's what fit. Should it be the other way?
you need the front o2's installed on the headers. Not the rear. If they dont reach you need to buy o2 extensions. The rear o2's are not needed for the car to run, they simply tell your pcm if your cats are funtioning. You can get the rears tuned out with a tuner program, or you can buy sims. Without one or the other, your check engine light will come on
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Yeah you definitely need to plug those into the front ones. i made my own extensions, but I would suggest buying some.
Also note that your car will run with only 1 O2 sensor plugged into one side. RedLS1 has his catback off, and he removed the passenger side cat (which has both O2 bungs in it.) It still runs, it sound a little lopsided, but it still runs.
Also note that your car will run with only 1 O2 sensor plugged into one side. RedLS1 has his catback off, and he removed the passenger side cat (which has both O2 bungs in it.) It still runs, it sound a little lopsided, but it still runs.
