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I get a not ready ind for the cat and evap? how many drive cycles do I need? on 2005 Cadillac DeVille

I've driven my moms car for 2 days now around 150 mile or more there was a service light so serviced the car and clear the light yet I still have 2 not ready ind

Asked by for the 2005 Cadillac DeVille
what codes do you have and did you repair them properly?
had code PO420 Catalyst System Below Efficiency my mom said the light would come and sometimes it would go away so I just gave the car a tune up and fresh gas and cleared the code with my scan tool and I've be trying to complete the drive cycle to see if it comes back hasn't come back but I still get a not ready IND. for both the CAT and EVAP systems I letting the car cool down rt now then im going to do some more driving my ? is how long should does the drive cycle take.
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evap&catalyst not ready?