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Can read ODB, but failed emission because of ODB

Reply from: vdu
Date: 25 May 2008, 01:45
Can read ODB, but failed emission because of ODB


This is a Chrysler Town and Country 2008, 3.8L, 103 thousand miles. I
just replace the engine 5 months ago.

I am able to use an ODB scanner to read the code and it says 7
emission tests are ready or something to that extend.
When I bring it to a inspection station, they say they can't read the
emission from the ODB interface. I said I just did it before driving
there. They said this is not a scanner, but it's an emission
computer. The guy also said maybe the cigarette plugs fail and he
uses a light tool to test it. It wasn't on when the car is running.
I take it home, use a volt meter and measure it. It's 14VDC. Which
is a bit high. Is it unusual for this voltage? Apparently he didn't
test the cigarette plugs correctly.
What should I do? Bring it to a dealer? Could some car shop be able
to diagnose and fix this type of problem? I don't have a good
experience with this dealer, and the next Chrysler dealer is 45
minutes away.

Please help.

Reply from: Steve W.
Date: 25 May 2008, 04:22
Re: Can read ODB, but failed emission because of ODB

vdu wrote:
> This is a Chrysler Town and Country 2008, 3.8L, 103 thousand miles. I
> just replace the engine 5 months ago.
>
> I am able to use an ODB scanner to read the code and it says 7
> emission tests are ready or something to that extend.
> When I bring it to a inspection station, they say they can't read the
> emission from the ODB interface. I said I just did it before driving
> there. They said this is not a scanner, but it's an emission
> computer. The guy also said maybe the cigarette plugs fail and he
> uses a light tool to test it. It wasn't on when the car is running.
> I take it home, use a volt meter and measure it. It's 14VDC. Which
> is a bit high. Is it unusual for this voltage? Apparently he didn't
> test the cigarette plugs correctly.
> What should I do? Bring it to a dealer? Could some car shop be able
> to diagnose and fix this type of problem? I don't have a good
> experience with this dealer, and the next Chrysler dealer is 45
> minutes away.
>
> Please help.

What you read on the code scanner and what they need to test for are
entirely different things. They only plug into the OBD port to make sure
that the computer is working and that you didn't just clear a code and
bring it in. They then use a probe to measure the exhaust gases and
determine if it passes.
Now if your in an area like I am in upstate NY they only do a low
enhanced test. Basically they plug into the OBD port and make sure that
all the tests were run, if they have and they passed then they do a
safety inspection and if you pass that they put on a sticker. No exhaust
measuring.

Basically you need to know why it failed.

--
Steve W.

Reply from: vdu
Date: 28 May 2008, 01:24
Re: Can read ODB, but failed emission because of ODB

On May 24, 10:22 pm, "Steve W." <csr684...@yahoo,com > wrote:
> vdu wrote:
> > This is a Chrysler Town and Country 2008, 3.8L, 103 thousand miles. I
> > just replace the engine 5 months ago.
>
> > I am able to use an ODB scanner to read the code and it says 7
> > emission tests are ready or something to that extend.
> > When I bring it to a inspection station, they say they can't read the
> > emission from the ODB interface. I said I just did it before driving
> > there. They said this is not a scanner, but it's an emission
> > computer. The guy also said maybe the cigarette plugs fail and he
> > uses a light tool to test it. It wasn't on when the car is running.
> > I take it home, use a volt meter and measure it. It's 14VDC. Which
> > is a bit high. Is it unusual for this voltage? Apparently he didn't
> > test the cigarette plugs correctly.
> > What should I do? Bring it to a dealer? Could some car shop be able
> > to diagnose and fix this type of problem? I don't have a good
> > experience with this dealer, and the next Chrysler dealer is 45
> > minutes away.
>
> > Please help.
>
> What you read on the code scanner and what they need to test for are
> entirely different things. They only plug into the OBD port to make sure
> that the computer is working and that you didn't just clear a code and
> bring it in. They then use a probe to measure the exhaust gases and
> determine if it passes.
> Now if your in an area like I am in upstate NY they only do a low
> enhanced test. Basically they plug into the OBD port and make sure that
> all the tests were run, if they have and they passed then they do a
> safety inspection and if you pass that they put on a sticker. No exhaust
> measuring.
>
> Basically you need to know why it failed.
>
> --
> Steve W.

You're right. I brought it to a mechanic and spoke to an inspector.
He said that the two read the same information, however, the hand
operated scanner supplies its own power, while the inspection
station's machine does not. So there is a lack of power for my data
link connector. Is anyone familiar with this model know where I
should look at?

Reply from: Don Byrer
Date: 28 May 2008, 17:04
Re: Can read ODB, but failed emission because of ODB


>This is a Chrysler Town and Country 2008, 3.8L, 103 thousand miles. I
>just replace the engine 5 months ago.

You're putting 10K a month on it? wow...

Did it pass emissions check when the new engine was installed? Myabe
something didn't get hooked back up properly. Could be as simple as
a blown fuse.

Here's the spec for the connector. Should have +battery on pin 16,
ground on 4. 14V with engine running is not necessarily high, "13.8"
is nominal.

http :// www .obdii,com /connector.html
Don Byrer KJ5KB
Radar Tech & Smilin' Commercial Pilot Guy
Glider & CFI wannabe
kj5kb-at-hotmail,com

"I have slipped the surly bonds of earth; now if I can just land without bending the gear..."
"Watch out for those doves...<smack-smack-smack-smack...>"

Reply from: vdu
Date: 28 May 2008, 19:22
Re: Can read ODB, but failed emission because of ODB


Thanks for the reply. The car has 103K miles on it. The engine is
not brand new, and I don't know how much, but heard alot less. During
the 5 months, I drove about 3K miles. Would you mind telling me how
you came up with 10K a month? :-)

On May 28, 11:04 am, Don Byrer <kj...@hotmail,com > wrote:
> >This is a Chrysler Town and Country 2008, 3.8L, 103 thousand miles. I
> >just replace the engine 5 months ago.
>
> You're putting 10K a month on it? wow...


Reply from: Don Byrer
Date: 28 May 2008, 19:48
Re: Can read ODB, but failed emission because of ODB

On Wed, 28 May 2008 10:22:24 -0700 (PDT), vdu <st946tbf@drexel.edu>
wrote:

>
>Thanks for the reply. The car has 103K miles on it. The engine is
>not brand new, and I don't know how much, but heard alot less. During
>the 5 months, I drove about 3K miles. Would you mind telling me how
>you came up with 10K a month? :-)
>
>On May 28, 11:04 am, Don Byrer <kj...@hotmail,com > wrote:
>> >This is a Chrysler Town and Country 2008, 3.8L, 103 thousand miles. I
>> >just replace the engine 5 months ago.
>>
>> You're putting 10K a month on it? wow...

If it's a 2008 car, it's less than a year old, you'd have to be
putting ~10,000 miles a month on it to be over 103K, right?


Don Byrer KJ5KB
Radar Tech & Smilin' Commercial Pilot Guy
Glider & CFI wannabe
kj5kb-at-hotmail,com

"I have slipped the surly bonds of earth; now if I can just land without bending the gear..."
"Watch out for those doves...<smack-smack-smack-smack...>"

Reply from: vdu
Date: 29 May 2008, 00:37
Re: Can read ODB, but failed emission because of ODB

On May 28, 1:48 pm, Don Byrer <kj...@hotmail,com > wrote:
> On Wed, 28 May 2008 10:22:24 -0700 (PDT), vdu <st946...@drexel.edu>
> wrote:
>
>
>
> >Thanks for the reply. The car has 103K miles on it. The engine is
> >not brand new, and I don't know how much, but heard alot less. During
> >the 5 months, I drove about 3K miles. Would you mind telling me how
> >you came up with 10K a month? :-)
>
> >On May 28, 11:04 am, Don Byrer <kj...@hotmail,com > wrote:
> >> >This is a Chrysler Town and Country 2008, 3.8L, 103 thousand miles. I
> >> >just replace the engine 5 months ago.
>
> >> You're putting 10K a month on it? wow...
>
> If it's a 2008 car, it's less than a year old, you'd have to be
> putting ~10,000 miles a month on it to be over 103K, right?
>
> Don Byrer KJ5KB
> Radar Tech & Smilin' Commercial Pilot Guy
> Glider & CFI wannabe
> kj5kb-at-hotmail,com
>
> "I have slipped the surly bonds of earth; now if I can just land without bending the gear..."
> "Watch out for those doves...<smack-smack-smack-smack...>"

:-) very good observation! I made a mistake, and the car actually is
2003, not 2008. If you're a mechanic, you got to be very good.
You're probably very good at many things.

Reply from: vdu
Date: 30 May 2008, 20:32
Re: Can read ODB, but failed emission because of ODB


I got the problem resolved. It may not be a problem at all. What
happened is that I brought it to another place, where they have a
different machine, and it was able to read this. The question is that
should I go back and get my money from the old place since they
weren't able to do the inspection, versus it's my car's problem.




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