smog check results

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Old 19 Apr 2012, 10:39 pm   #1 (permalink)
Michael
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Default smog check results

Took the '99 Camry in for a smog check, and while it passed, it looks
like it just barely passed. Before the test, the mechanic made sure
the car had been idling for at least 10 minutes.

Results at 15 mph:
NO: 400 ppm (max allowed = 437 ppm)
CO: 0.19% (max allowed = 0.50%)
HC: 41 ppm (max allowed = 55 ppm)

I guess the NO is the worst of the results. Results were much better
at 25 mph.

Any ideas what this could mean? No check engine light was on. Does
my EGR valve need cleaning out, or...? I'd changed the oxygen sensor
several years ago when it threw a check engine light code at me (with
a cheap AutoZone O2 sensor).

Thanks!

Michael
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Old 20 Apr 2012, 12:20 pm   #2 (permalink)
Michael
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Default Re: smog check results

On Apr 19, 8:39*pm, Michael <mrdarr...@gmail.com> wrote:
> Took the '99 Camry in for a smog check, and while it passed, it looks
> like it just barely passed. *Before the test, the mechanic made sure
> the car had been idling for at least 10 minutes.
>
> Results at 15 mph:
> NO: 400 ppm (max allowed = 437 ppm)
> CO: 0.19% (max allowed = 0.50%)
> HC: 41 ppm (max allowed = 55 ppm)
>
> I guess the NO is the worst of the results. *Results were much better
> at 25 mph.
>
> Any ideas what this could mean? *No check engine light was on. *Does
> my EGR valve need cleaning out, or...? *I'd changed the oxygen sensor
> several years ago when it threw a check engine light code at me (with
> a cheap AutoZone O2 sensor).
>
> Thanks!
>
> Michael



I guess I'll just look into these...
http://www.smogtips.com/failed-high-...rous-oxide.cfm
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Old 20 Apr 2012, 11:02 pm   #3 (permalink)
uncle_vito
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Default Re: smog check results


"Michael" <mrdarrett@gmail.com> wrote in message
news:66c840e5-b80f-4113-8aad-0a7fb6f4c98d@f9g2000pbq.googlegroups.com...
On Apr 19, 8:39 pm, Michael <mrdarr...@gmail.com> wrote:
> Took the '99 Camry in for a smog check, and while it passed, it looks
> like it just barely passed. Before the test, the mechanic made sure
> the car had been idling for at least 10 minutes.
>
> Results at 15 mph:
> NO: 400 ppm (max allowed = 437 ppm)
> CO: 0.19% (max allowed = 0.50%)
> HC: 41 ppm (max allowed = 55 ppm)
>
> I guess the NO is the worst of the results. Results were much better
> at 25 mph.
>
> Any ideas what this could mean? No check engine light was on. Does
> my EGR valve need cleaning out, or...? I'd changed the oxygen sensor
> several years ago when it threw a check engine light code at me (with
> a cheap AutoZone O2 sensor).
>
> Thanks!
>
> Michael



On one of my cars, I was borderline one year and then two years later I was
way under. I asked the tester about this and he said that he only worrys
about passing. Not about betting the biggest pass. Your NO may have been
borderline when the tester stopped the test. If he went for the lowest
number he could get, he likely could have given you the margin you expected.
I would not worry about it if you passed.


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Old 20 Apr 2012, 11:06 pm   #4 (permalink)
Michael
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Default Re: smog check results

On Apr 20, 9:02*pm, "uncle_vito" <uncle_vito2...@yahoo.com> wrote:
> "Michael" <mrdarr...@gmail.com> wrote in message
>
> news:66c840e5-b80f-4113-8aad-0a7fb6f4c98d@f9g2000pbq.googlegroups.com...
> On Apr 19, 8:39 pm, Michael <mrdarr...@gmail.com> wrote:
>
>
>
>
>
>
>
>
>
> > Took the '99 Camry in for a smog check, and while it passed, it looks
> > like it just barely passed. Before the test, the mechanic made sure
> > the car had been idling for at least 10 minutes.

>
> > Results at 15 mph:
> > NO: 400 ppm (max allowed = 437 ppm)
> > CO: 0.19% (max allowed = 0.50%)
> > HC: 41 ppm (max allowed = 55 ppm)

>
> > I guess the NO is the worst of the results. Results were much better
> > at 25 mph.

>
> > Any ideas what this could mean? No check engine light was on. Does
> > my EGR valve need cleaning out, or...? I'd changed the oxygen sensor
> > several years ago when it threw a check engine light code at me (with
> > a cheap AutoZone O2 sensor).

>
> > Thanks!

>
> > Michael

>
> On one of my cars, I was borderline one year and then two years later I was
> way under. *I asked the tester about this and he said that he only worrys
> about passing. *Not about betting the biggest pass. *Your NO may havebeen
> borderline when the tester stopped the test. *If he went for the lowest
> number he could get, he likely could have given you the margin you expected.
> I would not worry about it if you passed.



Oh, okay. I didn't consider that. Thanks.

One thing that did surprise me: seems like most of the other states do
not require a regular smog check! At least not in Ohio, Montana,
Idaho or South Carolina, from what friends tell me. All this time, I
thought every state had such a check.

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Old 21 Apr 2012, 03:35 pm   #5 (permalink)
Jeff Strickland
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Default Re: smog check results


"Michael" <mrdarrett@gmail.com> wrote in message
news:552ca7d1-c447-4eb9-84c7-3b2b9520ca55@p4g2000pby.googlegroups.com...
On Apr 20, 9:02 pm, "uncle_vito" <uncle_vito2...@yahoo.com> wrote:
> "Michael" <mrdarr...@gmail.com> wrote in message
>
> news:66c840e5-b80f-4113-8aad-0a7fb6f4c98d@f9g2000pbq.googlegroups.com...
> On Apr 19, 8:39 pm, Michael <mrdarr...@gmail.com> wrote:
>
>
>
>
>
>
>
>
>
> > Took the '99 Camry in for a smog check, and while it passed, it looks
> > like it just barely passed. Before the test, the mechanic made sure
> > the car had been idling for at least 10 minutes.

>
> > Results at 15 mph:
> > NO: 400 ppm (max allowed = 437 ppm)
> > CO: 0.19% (max allowed = 0.50%)
> > HC: 41 ppm (max allowed = 55 ppm)

>
> > I guess the NO is the worst of the results. Results were much better
> > at 25 mph.

>
> > Any ideas what this could mean? No check engine light was on. Does
> > my EGR valve need cleaning out, or...? I'd changed the oxygen sensor
> > several years ago when it threw a check engine light code at me (with
> > a cheap AutoZone O2 sensor).

>
> > Thanks!

>
> > Michael

>
> On one of my cars, I was borderline one year and then two years later I
> was
> way under. I asked the tester about this and he said that he only worrys
> about passing. Not about betting the biggest pass. Your NO may have been
> borderline when the tester stopped the test. If he went for the lowest
> number he could get, he likely could have given you the margin you
> expected.
> I would not worry about it if you passed.



Oh, okay. I didn't consider that. Thanks.

One thing that did surprise me: seems like most of the other states do
not require a regular smog check! At least not in Ohio, Montana,
Idaho or South Carolina, from what friends tell me. All this time, I
thought every state had such a check.

++++++++++++++++++++++++++++++
Not only does every state NOT have a smog check, some of them that do have
smog checks have different checks in different counties. They not only do
different tests, they have different numbers for passing the different
tests. If the car moves from one county to another, the smog check that it
has to pass can be more or less stringent depending on which way the car
moved. And, you cannot take a car from a Difficult Test County to an Easy
Test County because the car has to pass the test where it lives.


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Old 22 Apr 2012, 03:21 pm   #6 (permalink)
Daniel who wants to know
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Default Re: smog check results

> "Michael" <mrdarrett@gmail.com> wrote in message
> news:552ca7d1-c447-4eb9-84c7-3b2b9520ca55@p4g2000pby.googlegroups.com...
>
>
> Oh, okay. I didn't consider that. Thanks.
>
> One thing that did surprise me: seems like most of the other states do
> not require a regular smog check! At least not in Ohio, Montana,
> Idaho or South Carolina, from what friends tell me. All this time, I
> thought every state had such a check.



I was going to add that it's not just emissions checks/tests* that many
don't have, mine (Iowa) doesn't do vehicle safety inspections either.

* I have never understood why many call it a "smog check", cars don't emit
smog, they emit the ingredients that the sun cooks into smog. calling it a
"smog check" or "smog test" would be like pulling a bread inspection on a
place that sells flour and yeast.

Yes this emissions test is a pain in your ass, especially if you fail, but
you should be here where on a regular basis you can get passed by an old
Ford truck with a wobbling wheel that is only hitting on 7 cylinders and
running so rich it makes your eyes water.


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Old 22 Apr 2012, 04:14 pm   #7 (permalink)
Michael
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Default Re: smog check results

On Apr 22, 1:21*pm, "Daniel who wants to know" <m...@here.edu> wrote:
> > "Michael" <mrdarr...@gmail.com> wrote in message
> >news:552ca7d1-c447-4eb9-84c7-3b2b9520ca55@p4g2000pby.googlegroups.com...

>
> > Oh, okay. *I didn't consider that. *Thanks.

>
> > One thing that did surprise me: seems like most of the other states do
> > not require a regular smog check! *At least not in Ohio, Montana,
> > Idaho or South Carolina, from what friends tell me. *All this time, I
> > thought every state had such a check.

>
> I was going to add that it's not just emissions checks/tests* that many
> don't have, mine (Iowa) doesn't do vehicle safety inspections either.
>
> * I have never understood why many call it a "smog check", cars don't emit
> smog, they emit the ingredients that the sun cooks into smog. *calling it a
> "smog check" or "smog test" would be like pulling a bread inspection on a
> place that sells flour and yeast.
>
> Yes this emissions test is a pain in your ass, especially if you fail, but
> you should be here where on a regular basis you can get passed by an old
> Ford truck with a wobbling wheel that is only hitting on 7 cylinders and
> running so rich it makes your eyes water.



Regular basis, eh! Thought it was just the folks in Los Angeles.

Well I complain also because I have a friend with a truck that won't
pass smog, so he can't drive it. He can't afford the $1000 or so to
make it pass, either. And to think, if we just smuggle it across the
border at night to Nevada, he would be home free. Ha!

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Old 22 Apr 2012, 06:07 pm   #8 (permalink)
NM5K
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Default Re: smog check results

On 4/22/2012 4:14 PM, Michael wrote:

>>
>> Yes this emissions test is a pain in your ass, especially if you fail, but
>> you should be here where on a regular basis you can get passed by an old
>> Ford truck with a wobbling wheel that is only hitting on 7 cylinders and
>> running so rich it makes your eyes water.

>
>
> Regular basis, eh! Thought it was just the folks in Los Angeles.
>
> Well I complain also because I have a friend with a truck that won't
> pass smog, so he can't drive it. He can't afford the $1000 or so to
> make it pass, either. And to think, if we just smuggle it across the
> border at night to Nevada, he would be home free. Ha!
>


In Tejas, they vary by county.. The big city counties all have
emissions testing, but most of the rural counties don't.
Here, any vehicle over 25 years old does not have to be tested.
So both my old Ford trucks are free of this adventure.
Of course, my old Ford trucks run right, and don't spew excess
atmospheric mayhem. They also sometimes use mobile "sniff" trailers,
that sniff the exhaust of vehicles as they drive by. I think they
take pictures of the license tags. If you get flagged by one of those,
they will send you a notice to be inspected, and if you fail, they
can yank you off the roads until you pass.
My 05 Corolla, they just hook up to the puter and check for errors.
No sniff test like the older pre-OBD2 cars..
Some people will have problems and try to fool the tests by clearing
the puter.. But that is an instant fail if the puter is not in a
"ready" state.. It take a while for OBD2 to do all it's tests and
show "ready" if no problems.




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