check engine code
Pole Position
Joined: Mar 2005
Posts: 380
Likes: 0
From: AZ
Originally Posted by kpuri
After you have checked and or replace the gas cap use the following PDF for diagnostics.
(you may have to right click and save as)
(you may have to right click and save as)
Thanks for the PDF, I went through the step by step instructions on how to diagnose this proplem and found a loose vac line I must have missed. Thanks, hopefully this will work.
***TGFCL***
Driver
Joined: Oct 2005
Posts: 123
Likes: 0
From: AZ
Code 441 and 446
My 2000 GS400 started throwing codes 441 and 446 a couple days ago. I tried a new gas cap, but the code returned. Finally found one of the vacuum lines to the valve by the dipstick (if I get too technical, just let me know, ha ha) had come off, near the driver shock tower. The line did not fit tightly, and maybe the vent pressure in the gas tank caused it to blow off.
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