Quote:
Originally Posted by MaineRunna
The fuel pump is very easy to replace once the tank is out. Japanese fuel pumps in general and Toyotas in particular don't fail very often. (probably have replaced under 5 Toyota fuel pumps in 39 years) Good idea to replace the rubber gasket and the strainer. Are you changing the check valve due to the vehicle being difficult to fill with gas? If so you probably need a new EVAP canister instead.
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That’s exactly why I’m replacing the check valve. Also codes p0440, 0441, 0446. I didn’t know if it was the check valve or the canister so I chose the cheaper (higher labor) part. In addition, I unplugged the 1” plastic hose that runs from the valve to the canister and I still had the issue. My assumption was that is the sole hose responsible for venting and separating it from the canister would rule it out. Am I wrong? There’s also a small hose in the overfill check valve though that I didn’t disconnect, I’m not sure what it does.