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Old 06-24-2015, 08:46 AM   #15
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It is a pain and confusing at times. My 97 Winny I would pull up close and he would stick the probe in the pipe along with hooking up under the dash. It is my understanding that cars that are 2000 and newer do not have to run on the dyno, they just hook up and take readings. Older than 2000 have to run on dyno. As far as new equipment and older vehicles, I do not know what has changed there but I will ask my mechanic friend for some input.
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Old 06-24-2015, 10:46 AM   #16
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Quote:
Originally Posted by 530ktm View Post
It is a pain and confusing at times. My 97 Winny I would pull up close and he would stick the probe in the pipe along with hooking up under the dash. It is my understanding that cars that are 2000 and newer do not have to run on the dyno, they just hook up and take readings. Older than 2000 have to run on dyno. As far as new equipment and older vehicles, I do not know what has changed there but I will ask my mechanic friend for some input.
My 2005 GMC Yukon XL 3/4 to 4X4 has never been put on the Dyno. From what I understand is because of the weight rating. They just put in the probe hook up the OBD run the RPM's up to around 2,400 - 2,500. It's due in July so I'll see if anything has changed the last two years.
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Old 06-24-2015, 04:24 PM   #17
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To follow up, went to a different smog facility today. I asked the mechanic about the problem with the new computers and he told me it is against the law for them to test vehicles over 14,000 lbs using the new testing equipment, but didn't offer any reason other than that. I asked him what would happen when everyone replaces the old equipment with the new, and he told me they are required to keep both or they would lose their license.

He used an exhaust probe for the test and I did have to remove the engine cover for him inside, but didn't see what he did or connected to "under the hood." The whole thing only took 10 minutes so that wasn't too bad.

I'll just have to wait and see what the situation is in 2 years. However I reiterate what I said in my original post, ring ahead and make sure the place you are going to has the old equipment and it is working before you waste time going there.
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Old 06-24-2015, 07:02 PM   #18
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Gary, and others,
I talked with my son (the BAR agent) and, he relayed to me, a pdf on just how things are laid out on smog requirements etc. He also basically explained the generalities of how things work and why. If I can get the pdf to transfer over, you'll see what's what. Here is his explanation:

As for the rv question.
The best thing to do is to call ahead and make sure that they can test the vehicle needing the smog. Yes the new system does not allow most motorhome because of the 14k lbs., limit to be test. And that has to do with some of the vehicles do not have the OBDII plug. And a lot of the shops now are opting out of the old bar 97 smog machine, the one with the tail pipe tester, and only testing 2000 and newer vehicles. Shops are phasing out the old system because they are realizing that they are not making as much money on those types of test because of the lack of cars on the road that are 99 and older. Honestly the amount of 2000 and newer cars on the road is some 80% of the cars. So if not as many older cars are being driving, then they don't need to be smogged which relates to why shops do not want to pay for the upkeep on the old system.
Now that means that what someone should do is call ahead and make sure that the shop can test what they need tested. For right now we don't require all shops to be able to test all vehicles. With the exception of STAR stations. They have to be able to test all vehicles that require smog.
Attached Files
File Type: pdf Smog_Check_Requirements_by_Vehicle_Type.pdf (100.3 KB, 22 views)
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Old 06-24-2015, 07:20 PM   #19
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Thank you for that info. My MH is a 2007 but I don't know if it has an OBII plug. According to the pdf you included it looks like it needs to be BAR 97 tested anyway as it is over 14K lbs (as are pretty much all Class A motorhomes). I guess the easiest thing to do is look for a STAR station, or just call around.
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Old 06-27-2015, 04:03 PM   #20
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Thank you for that info. My MH is a 2007 but I don't know if it has an OBII plug. According to the pdf you included it looks like it needs to be BAR 97 tested anyway as it is over 14K lbs (as are pretty much all Class A motorhomes). I guess the easiest thing to do is look for a STAR station, or just call around.
Gary it has an OBDII receipticle. Under the dash on the drivers side.
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