How long does it take to clear all the OBD 2 monitors?

[Oldmactech]

Need my 3.0 to pass emissions in GA and I get a random o2 sensor code that keeps it from passing. I reset the code and reset the (starts with the letter “a” can’t recall what it was. ) I’ve now driven 250+ miles, and at hiway speeds and the catalyst monitor hasn’t completed the cycle.

How much more time do I need to give it?


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[wpoll]

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[Oldmactech]

Well crap- I’m way past that. Hmm.


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[wpoll]

Originally Posted by Oldmactech

Well crap- I’m way past that. Hmm.


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Doesn't matter how far you drive, if some of the conditions above aren't met. The readiness states requires a mix of driving modes in order to complete the checks.

[Oldmactech]

Thanks, I’ve done all of the above multiple times. I’ll be getting it up to about 70mph today, maybe that’ll do it.


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[Oldmactech]

Drove another 100 miles today various speeds. Still missing one monitor. May swap 1 o2 tomorrow since Bank one pre-catalyst ocassionally throws a code.


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