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Smog failure due to Catalyst

Help, Advice, Owners' Discussion and DIY Tutorials devoted to the second generation C70, S40 and V50 Volvos -- awkwardly model year 2004 ½ onwards -- plus where to go for advice and discussion on Volvo's sporty C30 Coupe powered by Volvo's ubiquitous inline 5-cylinder power plant.
whocaresplease
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whocaresplease

Smog failure due to Catalyst

Post by whocaresplease » Mon Nov 04, 2019 4:36 pm

Any ideas on how to fix this? I've driven it over 800 miles since the last battery disconnection. I've taken it through the recommended drive cycles as well.

I'm starting to wonder if it's possible to force "readiness" via OBD-II like a lot of Subaru owners do. I'd be fine with this options as well since I'm moving in a week to a place where emissions testing is far more lax.

Any ideas?

Thanks!



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MoVolvos
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MoVolvos

Re: Smog failure due to Catalyst

Post by MoVolvos » Mon Nov 04, 2019 7:33 pm

whocaresplease wrote:
Mon Nov 04, 2019 4:36 pm
Any ideas on how to fix this? I've driven it over 800 miles since the last battery disconnection. I've taken it through the recommended drive cycles as well.

I'm starting to wonder if it's possible to force "readiness" via OBD-II like a lot of Subaru owners do. I'd be fine with this options as well since I'm moving in a week to a place where emissions testing is far more lax.

Any ideas?

Thanks!
Where do you live in CA - Norcal, East Bay, South Bay etc...


Blessings,

BKM

1998 S70 T5 - Donated
2003 S80 T6
2003 GS300
2003 Odyssey
2008 C30 T5
2019 Atlas SE 4 Motion

whocaresplease
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whocaresplease

Re: Smog failure due to Catalyst

Post by whocaresplease » Mon Nov 04, 2019 7:44 pm

I'm in LA.



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MoVolvos
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MoVolvos

Re: Smog failure due to Catalyst

Post by MoVolvos » Mon Nov 04, 2019 8:54 pm

-
Try this first as it just worked for my friend in San Jose. Due to that problem he went and bought a new Outback he had been eyeing for a year.

"You introduced me Scotty Kilmer a while back and I tried the lacquer thinner cleaning catalytic converter on the Maxima last Saturday. After four days of driving, the engine light went out. I am going to bring it back to CarMax again this weekend and get rid of it. I am not sure if it is the thinner, the car gained at least 20HP and very responsive now."

--

--

Look for a Local Porsche or Ferrari repair shop and see if you can get a bottle of Swepco 502? Put it in with the dirty oil and drive about 500 miles and change the oil to the Rotella T6 5W-40. If the shop has the Swepco motor oil use that. Helped an old Mercedes that was parked for 4 years due to Smog problems pass after using that combo. If you were in the Bay Area you can go to Independant Volvo to get the stuff.

https://www.pelicanparts.com/catalog/sh ... co_pg7.htm

https://www.yelp.com/biz/independent-vo ... lnut-creek


Blessings,

BKM

1998 S70 T5 - Donated
2003 S80 T6
2003 GS300
2003 Odyssey
2008 C30 T5
2019 Atlas SE 4 Motion

whocaresplease
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whocaresplease

Re: Smog failure due to Catalyst

Post by whocaresplease » Tue Nov 05, 2019 6:41 pm

Okay thanks for the help!



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MoVolvos
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MoVolvos

Re: Smog failure due to Catalyst

Post by MoVolvos » Tue Nov 05, 2019 8:41 pm

whocaresplease wrote:
Tue Nov 05, 2019 6:41 pm
Okay thanks for the help!
Do let us know what you did and how you fared. A little more encouragement below.

viewtopic.php?f=1&t=72970


Blessings,

BKM

1998 S70 T5 - Donated
2003 S80 T6
2003 GS300
2003 Odyssey
2008 C30 T5
2019 Atlas SE 4 Motion

whocaresplease
Posts: 4
Joined: Mon Nov 04, 2019 4:33 pm
Year and Model: 2006 C70
Location: CA
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whocaresplease

Re: Smog failure due to Catalyst

Post by whocaresplease » Wed Nov 06, 2019 7:33 am

I got it online today by driving 15 minutes between 50 and 60 mph...

Crazy that this is what it took after trying 100 different things



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MoVolvos
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MoVolvos

Re: Smog failure due to Catalyst

Post by MoVolvos » Wed Nov 06, 2019 7:57 pm

whocaresplease wrote:
Wed Nov 06, 2019 7:33 am
I got it online today by driving 15 minutes between 50 and 60 mph...

Crazy that this is what it took after trying 100 different things
Excellent, I have my doubts :lol: each time I recommend this but it seems to work for most people.


Blessings,

BKM

1998 S70 T5 - Donated
2003 S80 T6
2003 GS300
2003 Odyssey
2008 C30 T5
2019 Atlas SE 4 Motion

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