Google "OBDII drive cycle". I had the same problem in May with my 97 Nissan
>> Stay informed about: Drive Cycle for Toyota Sienna
truck. Those two monitors are the most difficult to show ready.
"erslyhe" wrote in message
> Does anyone know the drive cyle for toyota sienna ( 2001)? Emmission
> check is rejected due to MONITOR NOT READTY: CATALYST ; EVAPORATIVE
> Any help is appreciated.