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Old 01-14-2026, 02:48 PM   #8
Megahurtz
Snackbar Tuning
 
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Drives: 2023 SGM ZL1
Join Date: Oct 2016
Location: Florida
Posts: 1,521
I seems like its starving for fuel. Bypass the factory check valve, which is in the hard line that comes from the fuel tank to the front of the car. You can build a replacement line with no check valve for much cheaper than replacing the HPFP.
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