P0442 code
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Driver School Candidate
Joined: Sep 2009
Posts: 14
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From: NV
P0442 code
Evaporative emissions control leak, small. What I've done so far is inspect the cap -- it looks fine, and I noticed that that little metal flapper valve that covers the fuel inlet is missing (the one that pushes down when you insert the filler nozzle). Could that cause the code, and if so, how easy is it to replace?
It's my mom's car so I'd like to steer her right if possible.
It's my mom's car so I'd like to steer her right if possible.
Lexus Test Driver
Joined: Apr 2008
Posts: 1,058
Likes: 126
From: Illinois
Evaporative emissions control leak, small. What I've done so far is inspect the cap -- it looks fine, and I noticed that that little metal flapper valve that covers the fuel inlet is missing (the one that pushes down when you insert the filler nozzle). Could that cause the code, and if so, how easy is it to replace?
It's my mom's car so I'd like to steer her right if possible.
It's my mom's car so I'd like to steer her right if possible.
9 out of 10 evap leak codes will be the gas cap.
Although it looks ok, I'd replace it anyway. ($20)
Just make sure there is no rust build-up around where it seals.
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