Fuel pressure ls3
I am getting the codes
P069e
P018b
P2635
These are fuel pressure related. Ran a diagnostic test and the car is only getting 40psi or rail pressure when it demands 60psi at WOT. Car has original fuel pump paired with DSX aux fuel pump that kicks on at 4psi. This makes me think the stock fuel pump is going out(not positive). I plan on purchasing an aeromotive fuel pump or a ZL1. I also plan on going smaller pully, around 16psi, and heads to be around 800-900wheel. Will the zl1 be enough or should I go with the aeromotive stealth fuel pump? Or if that is the problem at all.

