what is P0440, P0441, P0446

Asked by Feb 10, 2014 at 05:36 PM about the 2001 Lexus LS 430

Question type: Maintenance & Repair

The engine light was on, I brought my car to the shop to get a free engine check after they
checked it they gave me this code P0440, P0441, P0446 they told me to check on
www.google.com to find out about these codes.

2 Answers

22,095

These are the 3 codes you get when the evap hose is disconnected behind the air filter box

13 people found this helpful.

446 code describes vacuum canister, still can't find the thing, but when i looked at rear of air box, i found a solenoid UNPLUGGED, plugged it in, replaced air cleaner and My codes are GONE THANK YOU

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