Oxygen sensors/catalytic converter

There is a specific sequence of events that you follow and the engine will be ready in about 15 minutes. I lost that document. If you search for it, you will find it here.

 

I've had that issue with cars other than Ferrari. If a mechanic clears the codes in the car's computer, it takes about 100 miles of driving to "reset" the information so that it will pass inspection in NJ. Basically, you have to take it out and drive it between 45 and 55 miles per hour, no wide open throttle, no prolonged idling, if I recall correctly. That gives the computer time to set the MAS, fuel/air ratios, and do internal diagnostics to make sure that your emissions system has not been tampered with and is working properly. If you take it out and drive it, and if you don't get a "check engine" light, you should pass inspection when they hook it up to their computer.

 

If you just bought the car from a dealer then I would take it back and tell them to fix it. If a private purchase you will have to foot the bill. If it does not have the MIL (check engine) light the someone erased the code . This system (CPU) will reset itself after driving 50 miles at 55MPH. This is built into the system so you can't cheat (erase) the emissions inspection. Usually the system allows 3 triggers of a code before it sets the check engine light. These codes will be stored in the CPU and read with a cheap code reader. In NY if you have 1 fault without a check engine light it will pass inspection. I don't know about NJ. If is just an O2 sensor then maybe it's a $200 fix but if it is the cat good luck.

 

Drive cycle instructions.
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Glad to hear you got it worked out and all is well. Now that I think about it, the 100 miles was what I needed to drive my Corvette Z06 to reprogram the MAS and fuel/air mix after I installed a ram air intake and long tube headers. Anyway, glad you got the correct procedure from the dealer. Now enjoy the new ride!!

 

It sounds like you were quite fortunate here. There have been threads that have involved a lot more pain to finally achieve the readiness state.

I don't think my own car has ever shown ready for testing on my own OBD tool (five years of ownership now) but thankfully it's not an issue where I live, they just sniff test at various RPM at the annual inspection and there's no attention paid to this particular issue.

 

I just posted the official doc on Ferrari letterhead in the 360 section.

I had my car in Canada for this past summer and found out something interesting.

When I filled with Shell V-Power, I'd get CELs indicating that the aft O2 sensor was not coming ready on my left bank - this in spite of having an extender.

So I filled with a tank of Esso (Exxon) Extra. Car ran poorly with knock so bad the ECU could not compensate - but, get this - never a CEL!

Both fuels are 91 octane rated BTW.

in order to prove the theory, next tank was Shell and sure enough it threw a CEL within 100 miles. Fill with ESSO again, the car became READY with no CEL. So off to the e-test it went for plate renewal.

I learned two things, ESSO gas is crappy and the O2 sensors must be sensitive to the high Nitrogen content in the Shell.

Can anyone splain this?