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has it done it before,if you open your hood does it improve or not, might be a dumb suggestion check you fuel filter 1st and go from there. is it a return or deadhead syst, fuel pressure guage ?
I...

was thinking bad batch of fuel old fuel or maybe some e 85 or methanol by mistake, has it ever done it before ? was it parked for a while etc.

actuall gas will vapor lock a a lot lower temp and there may be a spot where the lines get too hot, just for a question did you recently fill up and now have problems ?