Quote:
Originally Posted by guybo
I wonder if it's an ECU issue. If the purge valve never gets the signal to open, it won't. But that is something a tech should have tested before throwing parts at the problem. With a laptop a tech should be able to remotely test the evap valves- and the entire evap system. Something ain't right if they just wasted all that time replacing th tank and not doing the most basic tests.
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I don't think any ECU testing occurred, at least the local technician never mentioned it. That said, I would hope the Toyota Engineers would have thought to do so.