Olive850 Posted June 23, 2009 Report Share Posted June 23, 2009 Hey hows it going? well i had posted on here before about the hairdryer noise which was the SAS valve, but then i pulled the codes for the check engine light and it was p0133 an p0422, can these two codes be related to the SAS valve, since it sends heated air to the heat up the CAT? What do you guys think can be throwing these codes or whats going on? I have a 98 s70 n/a with 124K miles on it. Thanks Link to comment Share on other sites More sharing options...
flyfishing3 Posted June 23, 2009 Report Share Posted June 23, 2009 here's the 0422. i just typed that in and got this. http://volvospeed.com/vs_forum/index.php?app=core&module=search&do=quick_search&search_term=P0422+&search_filter_app[forums]=1&st=100 didn't do the other one. Link to comment Share on other sites More sharing options...
Smithwicks Posted June 23, 2009 Report Share Posted June 23, 2009 ive got a PO133 code right now. came up as a slow 02 sensor, front one i believe. pretty sure you need a new one. im popping my new sensor in friday, so hopefully that makes the code go away. Link to comment Share on other sites More sharing options...
Olive850 Posted June 23, 2009 Author Report Share Posted June 23, 2009 Do u think the secondary air pump is related to this? Link to comment Share on other sites More sharing options...
Smithwicks Posted June 23, 2009 Report Share Posted June 23, 2009 when i did a search, i never saw a mention of anything to do with the sas pump, seemed the consensus was it was a bad front 02 sensor which is what i went with. also my city mpg was down and that can be caused by a bad 02 sensor as well. Link to comment Share on other sites More sharing options...
Olive850 Posted June 23, 2009 Author Report Share Posted June 23, 2009 I did notice my gas mpg gas decreased Link to comment Share on other sites More sharing options...
Smithwicks Posted July 8, 2009 Report Share Posted July 8, 2009 replaced the front 02. havent seen the po133 code since then. gas mileage has also crept back up to where it should be. Link to comment Share on other sites More sharing options...
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