Failed Califoria smog test.
01-21-2005, 05:58 PM
#41
Guest
Posts: n/a
Re: Failed Califoria smog test.
It is the O2 sensor. Your cat may now be ruined as well from getting too
rich a mixture put through it. Dont just replace the cat, fix the problem
then fix the cat.
KH
"Mike M" <d_michael_m@hottmaill.com> wrote in message
news:MPG.1c5ad02aab765f9498989c@news.verizon.net.. .
> My son's 89 6 cyl.Cherokee just barely failed the Ca. smog test. It
> passed the 15 MPH but failed at 25 MPH on the "NO(PPM)" part of the test
> (max allowed is 875 PPM.his read 1066 PPM). Anyone have any ideas what
> the problem might be?
> The mechanic told him it is probably either the O2 sensor or the
> catalytic converter.
> TIA
> --
> "Trust me, I do this all the time"
> Mike M
>
rich a mixture put through it. Dont just replace the cat, fix the problem
then fix the cat.
KH
"Mike M" <d_michael_m@hottmaill.com> wrote in message
news:MPG.1c5ad02aab765f9498989c@news.verizon.net.. .
> My son's 89 6 cyl.Cherokee just barely failed the Ca. smog test. It
> passed the 15 MPH but failed at 25 MPH on the "NO(PPM)" part of the test
> (max allowed is 875 PPM.his read 1066 PPM). Anyone have any ideas what
> the problem might be?
> The mechanic told him it is probably either the O2 sensor or the
> catalytic converter.
> TIA
> --
> "Trust me, I do this all the time"
> Mike M
>
01-21-2005, 05:58 PM
#42
Guest
Posts: n/a
Re: Failed Califoria smog test.
It is the O2 sensor. Your cat may now be ruined as well from getting too
rich a mixture put through it. Dont just replace the cat, fix the problem
then fix the cat.
KH
"Mike M" <d_michael_m@hottmaill.com> wrote in message
news:MPG.1c5ad02aab765f9498989c@news.verizon.net.. .
> My son's 89 6 cyl.Cherokee just barely failed the Ca. smog test. It
> passed the 15 MPH but failed at 25 MPH on the "NO(PPM)" part of the test
> (max allowed is 875 PPM.his read 1066 PPM). Anyone have any ideas what
> the problem might be?
> The mechanic told him it is probably either the O2 sensor or the
> catalytic converter.
> TIA
> --
> "Trust me, I do this all the time"
> Mike M
>
rich a mixture put through it. Dont just replace the cat, fix the problem
then fix the cat.
KH
"Mike M" <d_michael_m@hottmaill.com> wrote in message
news:MPG.1c5ad02aab765f9498989c@news.verizon.net.. .
> My son's 89 6 cyl.Cherokee just barely failed the Ca. smog test. It
> passed the 15 MPH but failed at 25 MPH on the "NO(PPM)" part of the test
> (max allowed is 875 PPM.his read 1066 PPM). Anyone have any ideas what
> the problem might be?
> The mechanic told him it is probably either the O2 sensor or the
> catalytic converter.
> TIA
> --
> "Trust me, I do this all the time"
> Mike M
>
01-21-2005, 05:58 PM
#43
Guest
Posts: n/a
Re: Failed Califoria smog test.
It is the O2 sensor. Your cat may now be ruined as well from getting too
rich a mixture put through it. Dont just replace the cat, fix the problem
then fix the cat.
KH
"Mike M" <d_michael_m@hottmaill.com> wrote in message
news:MPG.1c5ad02aab765f9498989c@news.verizon.net.. .
> My son's 89 6 cyl.Cherokee just barely failed the Ca. smog test. It
> passed the 15 MPH but failed at 25 MPH on the "NO(PPM)" part of the test
> (max allowed is 875 PPM.his read 1066 PPM). Anyone have any ideas what
> the problem might be?
> The mechanic told him it is probably either the O2 sensor or the
> catalytic converter.
> TIA
> --
> "Trust me, I do this all the time"
> Mike M
>
rich a mixture put through it. Dont just replace the cat, fix the problem
then fix the cat.
KH
"Mike M" <d_michael_m@hottmaill.com> wrote in message
news:MPG.1c5ad02aab765f9498989c@news.verizon.net.. .
> My son's 89 6 cyl.Cherokee just barely failed the Ca. smog test. It
> passed the 15 MPH but failed at 25 MPH on the "NO(PPM)" part of the test
> (max allowed is 875 PPM.his read 1066 PPM). Anyone have any ideas what
> the problem might be?
> The mechanic told him it is probably either the O2 sensor or the
> catalytic converter.
> TIA
> --
> "Trust me, I do this all the time"
> Mike M
>
01-21-2005, 06:01 PM
#44
Guest
Posts: n/a
Re: Failed Califoria smog test.
One thing no one mentions. Most cars should pass the sniff test without the
cat operating if everything else is functioning correctly.
KH
"L.W. ("ßill") ------ III" <----------@***.net> wrote in message
news:41F16DF0.88A76C0B@***.net...
> Hi Mike,
> Like everyone has already said have it at full operating
> temperature, I run it down the freeways at traffic speed (80) for about
> twenty minutes and then let it idle to wait my turn to keep the
> catalytic convert hot at sixteen hundred degrees:
> http://----------.com/smog.jpg Of course do the normal maintenance, oil,
> filters, and plugs. And I did replace the convert about ten years ago,
> as that's it's job to chemically changes pollutants like carbon monoxide
> (CO), hydrocarbons (HC), oxides of Nitrogen (NOx) and particulate matter
> (PM) into harmless substances like carbon dioxide (CO2), nitrogen (N2),
> and water vapor (H2O): http://www.tifac.org.in/do/hgt/case/convert.htm
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> Mike M wrote:
>>
>> My son's 89 6 cyl.Cherokee just barely failed the Ca. smog test. It
>> passed the 15 MPH but failed at 25 MPH on the "NO(PPM)" part of the test
>> (max allowed is 875 PPM.his read 1066 PPM). Anyone have any ideas what
>> the problem might be?
>> The mechanic told him it is probably either the O2 sensor or the
>> catalytic converter.
>> TIA
>> --
>> "Trust me, I do this all the time"
>> Mike M
cat operating if everything else is functioning correctly.
KH
"L.W. ("ßill") ------ III" <----------@***.net> wrote in message
news:41F16DF0.88A76C0B@***.net...
> Hi Mike,
> Like everyone has already said have it at full operating
> temperature, I run it down the freeways at traffic speed (80) for about
> twenty minutes and then let it idle to wait my turn to keep the
> catalytic convert hot at sixteen hundred degrees:
> http://----------.com/smog.jpg Of course do the normal maintenance, oil,
> filters, and plugs. And I did replace the convert about ten years ago,
> as that's it's job to chemically changes pollutants like carbon monoxide
> (CO), hydrocarbons (HC), oxides of Nitrogen (NOx) and particulate matter
> (PM) into harmless substances like carbon dioxide (CO2), nitrogen (N2),
> and water vapor (H2O): http://www.tifac.org.in/do/hgt/case/convert.htm
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> Mike M wrote:
>>
>> My son's 89 6 cyl.Cherokee just barely failed the Ca. smog test. It
>> passed the 15 MPH but failed at 25 MPH on the "NO(PPM)" part of the test
>> (max allowed is 875 PPM.his read 1066 PPM). Anyone have any ideas what
>> the problem might be?
>> The mechanic told him it is probably either the O2 sensor or the
>> catalytic converter.
>> TIA
>> --
>> "Trust me, I do this all the time"
>> Mike M
01-21-2005, 06:01 PM
#45
Guest
Posts: n/a
Re: Failed Califoria smog test.
One thing no one mentions. Most cars should pass the sniff test without the
cat operating if everything else is functioning correctly.
KH
"L.W. ("ßill") ------ III" <----------@***.net> wrote in message
news:41F16DF0.88A76C0B@***.net...
> Hi Mike,
> Like everyone has already said have it at full operating
> temperature, I run it down the freeways at traffic speed (80) for about
> twenty minutes and then let it idle to wait my turn to keep the
> catalytic convert hot at sixteen hundred degrees:
> http://----------.com/smog.jpg Of course do the normal maintenance, oil,
> filters, and plugs. And I did replace the convert about ten years ago,
> as that's it's job to chemically changes pollutants like carbon monoxide
> (CO), hydrocarbons (HC), oxides of Nitrogen (NOx) and particulate matter
> (PM) into harmless substances like carbon dioxide (CO2), nitrogen (N2),
> and water vapor (H2O): http://www.tifac.org.in/do/hgt/case/convert.htm
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> Mike M wrote:
>>
>> My son's 89 6 cyl.Cherokee just barely failed the Ca. smog test. It
>> passed the 15 MPH but failed at 25 MPH on the "NO(PPM)" part of the test
>> (max allowed is 875 PPM.his read 1066 PPM). Anyone have any ideas what
>> the problem might be?
>> The mechanic told him it is probably either the O2 sensor or the
>> catalytic converter.
>> TIA
>> --
>> "Trust me, I do this all the time"
>> Mike M
cat operating if everything else is functioning correctly.
KH
"L.W. ("ßill") ------ III" <----------@***.net> wrote in message
news:41F16DF0.88A76C0B@***.net...
> Hi Mike,
> Like everyone has already said have it at full operating
> temperature, I run it down the freeways at traffic speed (80) for about
> twenty minutes and then let it idle to wait my turn to keep the
> catalytic convert hot at sixteen hundred degrees:
> http://----------.com/smog.jpg Of course do the normal maintenance, oil,
> filters, and plugs. And I did replace the convert about ten years ago,
> as that's it's job to chemically changes pollutants like carbon monoxide
> (CO), hydrocarbons (HC), oxides of Nitrogen (NOx) and particulate matter
> (PM) into harmless substances like carbon dioxide (CO2), nitrogen (N2),
> and water vapor (H2O): http://www.tifac.org.in/do/hgt/case/convert.htm
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> Mike M wrote:
>>
>> My son's 89 6 cyl.Cherokee just barely failed the Ca. smog test. It
>> passed the 15 MPH but failed at 25 MPH on the "NO(PPM)" part of the test
>> (max allowed is 875 PPM.his read 1066 PPM). Anyone have any ideas what
>> the problem might be?
>> The mechanic told him it is probably either the O2 sensor or the
>> catalytic converter.
>> TIA
>> --
>> "Trust me, I do this all the time"
>> Mike M
01-21-2005, 06:01 PM
#46
Guest
Posts: n/a
Re: Failed Califoria smog test.
One thing no one mentions. Most cars should pass the sniff test without the
cat operating if everything else is functioning correctly.
KH
"L.W. ("ßill") ------ III" <----------@***.net> wrote in message
news:41F16DF0.88A76C0B@***.net...
> Hi Mike,
> Like everyone has already said have it at full operating
> temperature, I run it down the freeways at traffic speed (80) for about
> twenty minutes and then let it idle to wait my turn to keep the
> catalytic convert hot at sixteen hundred degrees:
> http://----------.com/smog.jpg Of course do the normal maintenance, oil,
> filters, and plugs. And I did replace the convert about ten years ago,
> as that's it's job to chemically changes pollutants like carbon monoxide
> (CO), hydrocarbons (HC), oxides of Nitrogen (NOx) and particulate matter
> (PM) into harmless substances like carbon dioxide (CO2), nitrogen (N2),
> and water vapor (H2O): http://www.tifac.org.in/do/hgt/case/convert.htm
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> Mike M wrote:
>>
>> My son's 89 6 cyl.Cherokee just barely failed the Ca. smog test. It
>> passed the 15 MPH but failed at 25 MPH on the "NO(PPM)" part of the test
>> (max allowed is 875 PPM.his read 1066 PPM). Anyone have any ideas what
>> the problem might be?
>> The mechanic told him it is probably either the O2 sensor or the
>> catalytic converter.
>> TIA
>> --
>> "Trust me, I do this all the time"
>> Mike M
cat operating if everything else is functioning correctly.
KH
"L.W. ("ßill") ------ III" <----------@***.net> wrote in message
news:41F16DF0.88A76C0B@***.net...
> Hi Mike,
> Like everyone has already said have it at full operating
> temperature, I run it down the freeways at traffic speed (80) for about
> twenty minutes and then let it idle to wait my turn to keep the
> catalytic convert hot at sixteen hundred degrees:
> http://----------.com/smog.jpg Of course do the normal maintenance, oil,
> filters, and plugs. And I did replace the convert about ten years ago,
> as that's it's job to chemically changes pollutants like carbon monoxide
> (CO), hydrocarbons (HC), oxides of Nitrogen (NOx) and particulate matter
> (PM) into harmless substances like carbon dioxide (CO2), nitrogen (N2),
> and water vapor (H2O): http://www.tifac.org.in/do/hgt/case/convert.htm
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> Mike M wrote:
>>
>> My son's 89 6 cyl.Cherokee just barely failed the Ca. smog test. It
>> passed the 15 MPH but failed at 25 MPH on the "NO(PPM)" part of the test
>> (max allowed is 875 PPM.his read 1066 PPM). Anyone have any ideas what
>> the problem might be?
>> The mechanic told him it is probably either the O2 sensor or the
>> catalytic converter.
>> TIA
>> --
>> "Trust me, I do this all the time"
>> Mike M
01-21-2005, 07:21 PM
#47
Guest
Posts: n/a
Re: Failed Califoria smog test.
In article <MPG.1c5ad02aab765f9498989c@news.verizon.net>,
d_michael_m@hottmaill.com says...
Thanks to everyone for the advice..
--
"Trust me, I do this all the time"
Mike M
d_michael_m@hottmaill.com says...
Thanks to everyone for the advice..
--
"Trust me, I do this all the time"
Mike M
01-21-2005, 07:21 PM
#48
Guest
Posts: n/a
Re: Failed Califoria smog test.
In article <MPG.1c5ad02aab765f9498989c@news.verizon.net>,
d_michael_m@hottmaill.com says...
Thanks to everyone for the advice..
--
"Trust me, I do this all the time"
Mike M
d_michael_m@hottmaill.com says...
Thanks to everyone for the advice..
--
"Trust me, I do this all the time"
Mike M
01-21-2005, 07:21 PM
#49
Guest
Posts: n/a
Re: Failed Califoria smog test.
In article <MPG.1c5ad02aab765f9498989c@news.verizon.net>,
d_michael_m@hottmaill.com says...
Thanks to everyone for the advice..
--
"Trust me, I do this all the time"
Mike M
d_michael_m@hottmaill.com says...
Thanks to everyone for the advice..
--
"Trust me, I do this all the time"
Mike M
01-23-2005, 03:06 PM
#50
Guest
Posts: n/a
It Passed
In article <MPG.1c5ad02aab765f9498989c@news.verizon.net>,
d_michael_m@hottmaill.com says...
Replaced the EGR valve, changed the oil, Can of fuel injection cleaner
and half a tank of premium gas.
25 MPH on the NO(PPM)got a 650 reading this time.
--
"Trust me, I do this all the time"
Mike M
d_michael_m@hottmaill.com says...
Replaced the EGR valve, changed the oil, Can of fuel injection cleaner
and half a tank of premium gas.
25 MPH on the NO(PPM)got a 650 reading this time.
--
"Trust me, I do this all the time"
Mike M