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EVAP canister maximum weight
Posted 19 November 2017 - 01:56 PM
Can anyone verify this about the weight? I weighed mine this morning and it was 3 pounds 3 ounces.
Posted 19 November 2017 - 03:20 PM
It's not your problem. The computer can't detect the weight of the canister. P1440 is a system leak. You need to test the system with a smoke machine. Being in Alaska, and being a Forester- you probably have rust pin holes in your fuel filler neck.
Posted 19 November 2017 - 03:31 PM
We don’t get much vehicle corrosion here in interior Alaska since they use very little salt on the roads. Also we have a fine dry power snow instead of heavy wet snow.
The hoses to the canister and purge valve appear to be solid.
Posted 19 November 2017 - 03:47 PM
Well it's important to check for leaks and also to verify operation of the purge solenoid, etc. Ensure the purge solenoid is electrically good and that it opens and closes correctly.
Posted 19 November 2017 - 03:51 PM
Posted 19 November 2017 - 04:49 PM
I am not sure if that will cycle the purge solenoid or not. It may. If not just remove it and bench test it.
Posted 19 November 2017 - 05:04 PM
Even though the computer doesn’t weigh the canister, is it supposed to be replaced when it exceeds a certain weight?
Posted 19 November 2017 - 07:30 PM
<p>I would be looking at the fuel tank pressure sensor and circuit as well given the EVAP solenoid seems to be working. This is not a data item that is available through generic OBD-II live data. It will require either a Subaru Select Monitor or direct measurement of sensor input to the ECU. </p>
Edited by GeneralDisorder, 19 November 2017 - 09:48 PM.
Posted 19 November 2017 - 07:34 PM
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