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So I have a 2018 accord 1.5 sport. Couple of months ago my check engine light came on stating emission system problem. I ran the codes on my scanner. It came back with 3 codes. P04F1, P0441, P145D. Car seems to drive fine so far with maybe slight loss in mpg. Any ideas what could cause these to come up and where I should start diagnosing the issue. Thanks
 
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