2004 Pontiac Grand Prix "low fuel pressure cause flooding" Questions

Low fuel pressure makes the fuel easier to boil in a hot engine. Fuel injector need liquid fuel to work properly. the other is that unmetered fuel ends up in the intake essentially flooding the engine

...ECT (engine coolant temperature) sensor or circuit is telling the ecm the wrong temp several other causes are blown fuel pressure regulator, low fuel pump pressure, low compression or faulty coil ...

...If the pressure is low, the fuel pump is weak and can't keep up with the demand for fuel. If it is high, the pressure regulator is at fault causing to much pressure rusulting in a flooding

...low pressure there is less volume and so injectors can be starved at acceleration and when full power is needed at the extreme end , excessive pressure will cause injectors to leak and fuel to leak ...

...at low fuel pressure.  But too much fuel causes flooding.A faulty throttle position sensor could cause all of your symptoms, but it should set a trouble code and turn on the check engine

...over and attempts to fire but won't fire. We put heat in it but it still won't start. Help please. Weak spark, flooded spark plugs, low fuel pressure, or low octane fuel are a few possible

...LOW COMPRESSION INTAKE LEAKS WILL CAUSE BACK FIRING AND RICH FUEL MIXTURE.CHECK MAP SENSOR.MAKE SURE ITS GETTING VACUUM.CHECK VACUUM LINE GOING TO FUEL PRESSURE REGULATOR.IF VACUUM LINE HAS ANY SIGNS ...

...Fuel pressure at 30-32 psi at key on and 32-34 when running. If you smel gas/petrol it is flooding see link belwo for information on engine flooding That pressure is a little low. It should be 40-43 ...

...fuel. Check the MAP line to insure there is no low points in it. It will cause PCM to see lower pressure, this will cause more fuel to be added and flood the engine. This is a common problem. Good ...

...fuel pressujre not in low 30s, but at 60, bad FPR, (reg) see fuel drip from vacuum line, FPR hose puilled, bingo bad reg. (most FPR are now bad, btw, after 23 years. MAP sensor stuck at 3.5v or more ...