• The site migration is complete! Hopefully everything transferred properly from the multiple decades old software we were using before. If you notice any issues please let me know, thanks! Also, I'm still working on things like chatbox, etc so hopefully those will be working in the next week or two.

P0440 code

Z28

Z28

New member
I'm not really sure what this code means.

Evaporative Emission Control System Failing

I'm sure you guys have seen this, so whats usually wrong? Emissions makes me think it has to do with exhaust, but im not sure. I just deleted the code..it runs fine.
 


EVAP system is the system that controls the fumes from your gas tank. Could be something as simple as your gas cap isn't tight enough or you need a new one.
 
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