nathan.chase Posted December 26, 2013 Share Posted December 26, 2013 (edited) I just got this car. I replace the air filter and started noticing it bogging down under full throttle. up to 1/2 throttle it's fine. push it all the way down gets interesting:Motor gets loud. fog horn sound. like it's bogging down, Slow pickup lke it's not advancing. Possible Causes: Do these filters need to seal down in the box? Can you put these in reversed, does that matter? Maybe the filter seal or some vacuum line is messing with the vacuum advance? 2.2 Outback Sport which has a the big rectangle box under the hood scoop. Thanks for the help. Edited December 26, 2013 by nathan.chase Quote Link to comment Share on other sites More sharing options...
Rooster2 Posted December 27, 2013 Share Posted December 27, 2013 I suspect that the air filter box is not secure..............particularly if the motor was running well immediately before installing the new air filter...................... Check to see that the filter is seated properly, and that the lid seats properly, then it is important that all the closure clips are snapped down properly. Hope this helps! Quote Link to comment Share on other sites More sharing options...
later_Peter Posted December 27, 2013 Share Posted December 27, 2013 or you popped a vacuum line... Quote Link to comment Share on other sites More sharing options...
nathan.chase Posted December 27, 2013 Author Share Posted December 27, 2013 thanks. You were right! the box is hard to line up and it wasn't making a good seal. Quote Link to comment Share on other sites More sharing options...
Rooster2 Posted December 27, 2013 Share Posted December 27, 2013 thanks. You were right! the box is hard to line up and it wasn't making a good seal. I assume that fixed the problem?? Quote Link to comment Share on other sites More sharing options...
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