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GTR 02-03-2006 08:37 PM


Originally Posted by TeamRX8
I have't been following the Interceptor stuff, but is there some reason you can't make a leaner "emissions purpose only" program; slap it in there, putter around to get the necessary drive cycles, get your test, and then back to your normal program?

I am not familar with the Interceptor so I can not comment.

mike1324a 02-05-2006 02:26 AM

Is it manditory to check through the OBDII port? Can you opt for a true exhaust reading instead?

rkostolni 02-05-2006 11:40 AM

It depends on the state. Usually, they pick one method or another. In MD and Va the only method for testing cars with OBDII is through the port. It kinda seems stupid to me, because all that really matters is does your car pollute beyond the set limits. So you should be able to opt for a smog check, but you can't.

MazdaManiac 02-05-2006 12:11 PM

They only sniff pre-OBDII vehicles.

GTR 02-05-2006 12:43 PM

In California, They measure tail pipe emissions on a dyno and use the OBDII port to check to see if the MIL has been commanded on and if the OBDII monitors are complete.

TeamRX8 02-05-2006 03:29 PM


Originally Posted by TeamRX8
I have't been following the Interceptor stuff, but is there some reason you can't make a leaner "emissions purpose only" program; slap it in there, putter around to get the necessary drive cycles, get your test, and then back to your normal program?


Bueller .... anyone? :dunno:

Umbra 02-06-2006 10:53 AM

How much driving is necessary to get the car to pass emissions after a reset?

MazdaManiac 02-06-2006 11:28 AM


Originally Posted by Umbra
How much driving is necessary to get the car to pass emissions after a reset?

It has to be started cold and run for at least 12 minutes or so a total of 4 times.

mike1324a 02-06-2006 02:24 PM

I think theres some highway miles needed in there too

MazdaManiac 02-06-2006 06:19 PM


Originally Posted by mike1324a
I think theres some highway miles needed in there too

I think you are right. I think the RPMs have to be held over 4k for a minute or two in two of those drive cycles.
The pattern is in the "after repair" procedure in the FSM. I'll look it up later.

GTR 02-06-2006 09:19 PM

Typical OBD II Drive Cycle consists includes of a cold engine warm up, accelerating to 55 mph 1/2 throttle, cruise 55 mph for 3 minutes, decelerate to 35 mph, accelerating to 55 mph 1/3 throttle, cruise 55 mph for 5 minutes - end of ODBII drive cycle. In a perfect world, all the monitors will be complete but lots of people know it takes a few good trips to get them all complete. Usually you will complete O2 Sensor, O2 Heater, and EGR System. The harder ones are Cataylst and Evap System.

Hope that helped.

MazdaManiac 02-06-2006 09:25 PM

^^ Excellent. Thanks!


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