The flame trap clog could cause more oil usage. Driveability gets worse if it blow all the oil out.
I would suspect that the in tank fuel pump has a problem. One of its primary jobs is to keep air bubbles out of the fuel to the main pump. The bubbles could cause a vapor lock situation.
The pump could have a bad hose connection between it and the oulet line inside the tank.
Is the hot start problem any less prone to happen on a full tank of gas?
Something to help prime the thinking tank for you.
Phil
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