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Code question

291 Views 1 Reply 2 Participants Last post by  DrivenDaily
I have a 2010 Chevy Malibu and I went to see why my check engine light was on and it said I had a p3 p442 and p445 just wondering what those are because my emissions are coming up
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Not sure what "p3" is, but the other two are P0442 and P0445. It's important to note that there will always be a letter (B, C, P, or U) and then 4 characters after that. With a proper code, you can look up stuff on Google, Bing, Duck Duck Go, or any other internet search engine and have gobs of folks presenting information at your fingertips.

P0442 is an emissions leak, possibly the gas cap, a vent valve, or some other issue with the emissions system.

Just remember that a code does not mean "replace this part"; it means "this system needs attention to find out what's causing me to tell you that it needs attention".
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