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Failed emissions need tips S90-V90 1998

failed on hydrocarbons at 1771 rpm.
limit 54ppm. Reading 92ppm
passed in all other areas
250,000km. Never failed before.

I checked all of the vacuum lines. I replaced most of them least year. They appeared to be all tight

I think i found a sticky canister purge valve. Now it regulates on and off every couple of minutes. Could be the first time i am ever hearing this valve. It may have been ceased for years. Would this repair be a help?

I also have a few holes on my rear muffler. Nothing loud but a few perforations around the clamp. One in my front muffler too. Does this have an effect?

Any other ideas?
Thanks
--
72E, 73ES, 91 240, 98 V70, 98 S90






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New Failed emissions need tips [S90-V90][1998]
posted by  Kenner  on Sun Sep 11 18:45 CST 2011 >


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