What the Hell?
As you can see in my signature, I have long tubes and a catted X-pipe on my car. It has been throwing a check engine light with the code P0430. I don't notice any drivability issues, rough idling, or anything like that, so I turned my rear O2 sensors off last night.
After passing a little Saturn ricer this morning, I realized that my speedometer was off. I think when I turned my sensors off, it reset my computer and erased my tune for the 4.10's. Now I am about 10-15mph off. :mad: Did I do something wrong? Do they cancel each other out? Can I even have both tunes on my car, or can I only have one at a time? Sorry for all the questions, guys. I just don't understand this tuning stuff. |
That shouldn't have happened, unless you put in a completely new tune instead of the slight modification for the rear O2s.
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Originally Posted by bassman97
(Post 362258)
That shouldn't have happened, unless you put in a completely new tune instead of the slight modification for the rear O2s.
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