This is a huge and interesting problem that different >

This is a huge and interesting problem that different > - Saab NG900 & OG9-3 Bulletin Board - Saabnet.com

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This is a huge and interesting problem that different > Posted by Anders (more from Anders) on Thu, 7 Nov 2002 00:18:33

In Reply to: OBD readout (failed DEQ), Brian, Wed, 6 Nov 2002 22:20:41 Members do not see ads below this line. - Help Keep This Site Online - Signup

States in US have created.

It started with the 96 model and the OBD2 smog check.

Some States require that the car engine have completed a "trip" before they let it pass the smog check.

A "trip" is not just taking a drive over to Grandma's house and back.

A "trip" in the sense of OBD2 system is when all different parameters in the smog system have been activated and run for a certain amount of time and is found to be in working order. That's when the computer logs it "ready".

When you turn off the engine, all data resets to zero again. :-(

And you CANNOT complete a "trip" again until the car have cooled down under a certain preset engine temp, because some of the smogsystem parameters ONLY kicks in at cold start mode.

What you need to do is to start the car in the morning, drive it over to the smogstation,(the drive needs to be about 1/2 hour long) and consist of several stop and starts and driving at a certain speed for an extended time, A/C needs to be switched on and off, and when you get to the smog station DO NOT turn off the engine. Go inside and tell the technician to come out and check the system for OBD2 readiness, while you say a prayer and hope for that you have completed a "trip".

If everything have been checked to the OBD2 Gods liking, you get your car passed.

The strange thing is that California doesn't have this requirement. ;o)

posted by 66.229.128...

Posts in this Thread:

OBD readout (failed DEQ), Brian, Wed, 6 Nov 2002 22:20:41
- This is a huge and interesting problem that different >, Anders, Thu, 7 Nov 2002 00:18:33 <-- Viewing This Message
  - Re: This is a huge and interesting problem that different >, John Cogdell, Thu, 4 Aug 2005 16:09:56
  - Re: This is a huge and interesting problem that differe, Brian, Thu, 7 Nov 2002 00:29:51
    - IF!!! nothing is wrong with your car, you can do the>, Anders, Thu, 7 Nov 2002 00:54:38
      - Re: IF!!! nothing is wrong with your car, you can do th, Brian, Thu, 7 Nov 2002 02:03:06
        Re: IF!!! nothing is wrong with your car, you can do th, Brian, Thu, 7 Nov 2002 21:10:55
        That's why I am surprised that some States uses that, Anders, Fri, 8 Nov 2002 00:57:10
        Mechanic says its a Saab computer mfg flaw, Brian, Fri, 8 Nov 2002 22:53:10
        Mechanic says its a Saab computer mfg flaw, Brian, Fri, 8 Nov 2002 22:50:31
        Re: IF!!! nothing is wrong with your car, you can do th, John B, Thu, 7 Nov 2002 08:20:54

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