97 240sx P0440 and P0446 EVAP

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MB97KA240sx
Posts: 13
Joined: Thu Aug 02, 2007 2:57 pm
Car: 97 240sx

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My check engine came on and i checked the codes. They were P0440 and p0446 EVAP. I cleared the codes to see if they come back.

What should i do? Whats the EVAP system do? Should i get a new EVAP canister?

I found a PDF that shows you how to clean the system with an air house but i don't know if i should do it.


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