Question about Cars & Trucks
Engine light came on a day or so after fueling car and the code is p0446 where do i go or start to check this one
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Posted on Jan 02, 2017
SOURCE: car codes
When you have P0440, P0441 and P0446, it is a very good bet that the fuel cap was loose, or the fuel cap rubber seal is compromised. You will get all three of those codes every time that the cap is loose. Always make sure that the fuel cap is as tight as you can get it after you refuel.
Posted on Nov 13, 2008
Well it could be as simple as a new gas cap, or clean seal on it & tighten again. There are a few other items in the system too, but one common one is the vapor canister gets plugged up with dust & dirt.
Posted on Apr 11, 2009
Unfortunately, this code has nothing to do with the gas cap....
A code P0446 could mean one or more of the following has happened:
Posted on Nov 17, 2009
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