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FixItMan, Master Technician
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How much fuel pressre do you need to start av6 4.3 vortec

Customer Question

how much fuel pressre do you need to start av6 4.3 vortec motor
Submitted: 1 year ago.
Category: Car
Expert:  FixItMan replied 1 year ago.

Hello, my name is***** typical factory 4.3 during that year needs at least 55 psi of fuel pressure in order for the injectors to fire. Without that it will not start. I hope this helps. If you need more assistance let me know.