What should fuel pressure be when no Buzz?
What should fuel pressure be when no Buzz? Fuel pressure is typically in the 35 to 45 psi range. If your Anti-Theft light is flashing; the anti-theft system is disabling the fuel pump to prevent the engine from starting. Bad fuel pump (Pump should run for a few seconds when ignition key is turned to start, no buzz means no fuel delivery to the engine). Why does my Chevy Blazer have no power? Probably no power. Turn the key to the on position, you should be able to hear the fuel pump prime up, run. Usually it is a bad...