RedMosesSC
Senior Member
So… My tune had the rear 02’s shut off, when you try to inspect your car (NY) your computer will read “NOT READY” by the inspection OBDII scanners. Since I have CATs (Magnaflow X) and no CEL’s thrown I should be able to pass inspection, I contacted JDM and had them make a tune with the rear O2’s on. The car was down for about a month while I was trying to figure out some GT500 throttle body issues (again) AND my registration was set to expire on Tuesday and it was Saturday!!! 
My mechanic says you have to drive AT LEAST 50 miles after you disconnect battery, flash your tune or clear DTC/CEL from the computer with a hand held tuner, ive also heard its 100 miles, I also read on the web that its 150 miles but who’s word do you take? And do those miles apply to all cars?
I loaded the new tune and got to driving, I clocked 50 miles but I thought let me get 100 just to be safe because if I don’t pass inspection I have to hand in my plates. I kept driving to furthest possible locations to get my errands done, 80 miles, 90 miles and just at about 100 miles the car threw a CODE! P0430 (Catalyst Inefficiency). Ive been driving with rear 02’s off for a while now, I forgot that the high flow CATs throw this code, ive read that you can get Non-Foulers for the sensors but I did not have the luxury time to get it done.
I woke up early Sunday morning, cleared the P0430 and started driving, drove about 55 miles and went to the inspection place that was supposed to be open on Sunday and it was CLOSED! Frustrated, I drove around looking for a shop and nothing… finally had the idea to call Pep Boys, they were open and they do inspections up until 4:30pm, by that time I had 67 miles clocked, I did not know if that was enough but I could not wait till Monday as I have work all day and I was also concerned about throwing a code around 100 miles again.
THE CAR PASSED INSPECTION! 67 miles was enough to remove the CEL from the computer’s memory and all sensors were in the “READY” state. I hope this helps some of you guys who were in my position and could not get a definitive answer.
My mechanic says you have to drive AT LEAST 50 miles after you disconnect battery, flash your tune or clear DTC/CEL from the computer with a hand held tuner, ive also heard its 100 miles, I also read on the web that its 150 miles but who’s word do you take? And do those miles apply to all cars?
I loaded the new tune and got to driving, I clocked 50 miles but I thought let me get 100 just to be safe because if I don’t pass inspection I have to hand in my plates. I kept driving to furthest possible locations to get my errands done, 80 miles, 90 miles and just at about 100 miles the car threw a CODE! P0430 (Catalyst Inefficiency). Ive been driving with rear 02’s off for a while now, I forgot that the high flow CATs throw this code, ive read that you can get Non-Foulers for the sensors but I did not have the luxury time to get it done.
I woke up early Sunday morning, cleared the P0430 and started driving, drove about 55 miles and went to the inspection place that was supposed to be open on Sunday and it was CLOSED! Frustrated, I drove around looking for a shop and nothing… finally had the idea to call Pep Boys, they were open and they do inspections up until 4:30pm, by that time I had 67 miles clocked, I did not know if that was enough but I could not wait till Monday as I have work all day and I was also concerned about throwing a code around 100 miles again.
THE CAR PASSED INSPECTION! 67 miles was enough to remove the CEL from the computer’s memory and all sensors were in the “READY” state. I hope this helps some of you guys who were in my position and could not get a definitive answer.
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