Question about 2005 Subaru Forester
2005 Subaru Forester shows Fault Code 0420. After clearing codes it comes back in a few weeks or months. Car always runs fine.
I have attached a link that can give you some of the reasons why your getting that code.I hope you able to get your answer out of that.
Mean of the code=P0420 Catalyst System Efficiency Below Threshold.
Link to site
Posted on Dec 12, 2008
I have problem toyota camry p 0420
Posted on Jun 16, 2009
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Posted on Jan 02, 2017
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