Originally Posted by
cessna157
To further confuse the Boost pump issue, I once got a "L Fuel Low Press" caution message, neither boost pump came on, and the engine did not flame out. I'll let you scratch your head about that. And no, I don't believe the fuel pressure switch is like the oil pressure switch (pressure readout vs warn msg)
The engine should still run because of the suction from the EDP. However, the only reason the other boost pump wouldn't come on if I remember is if you manually select the L Boost Pump Off in this case. However, since you didn't do that I have no idea why that would happen.