Thread: Have a check engine light on!!
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Old Nov 13, 2005 | 10:52 AM
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Adam2000ex
00 Civic ex d16y8
 
Joined: Nov 2005
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Default Have a check engine light on!!
autozone pulled the code P0420 (67) catalyst system efficiency below threshold. anyone ever had this problem? what should i do? i have a 2000 civic ex
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