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I thought the stock fuel system was overqualified as is. Are you modified as hell? Sorry I don’t have anything helpful but ur the first I’ve seen with this issue.
 

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Discussion Starter · #3 ·
It's pretty heavily modded. The shop recommended a boost-a-pump, professionally I know quite a bit about pumps and a boost a pump essentially makes a pump operate above specification... eventually it will give up. I went ahead and upgraded the whole system.
 

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Discussion Starter · #6 ·
Problem resolved. Tune issue: had to command 100% duty cycle and 100 PSI in the tune. so voltage is more consistent. Only have to do that with the dual pump cars like trackhawk and demon.
 
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