fuel pump pressure!

[Venomous96Cobra]

okay anyone know how much pressure is needed to determine whether a fuel pump is good for startup?

my chiltons book shows that the pump operating at idle needs to be between 30-45

but what is needed for start up? mine is at 40 the car turns over but no start i have spark on all 8 cyl, fuel filter was just replaced any ideas suggestions, etc?

1995 5.0L

 

[toyman]

okay anyone know how much pressure is needed to determine whether a fuel pump is good for startup?

my chiltons book shows that the pump operating at idle needs to be between 30-45

but what is needed for start up? mine is at 40 the car turns over but no start i have spark on all 8 cyl, fuel filter was just replaced any ideas suggestions, etc?

1995 5.0L

40 psi is more than enough. The fuel pump is normally delivering fuel to the regulator at about 70+ psi. Are you sure there is spark? The only other reason would be the injectors not opening. I believe you will need a noid light to test the injector harness.

 

[CC'S95GT]

look into a bad dizzy for the no start problem. they're known to go out

 

[shifter]

as are the TFI modules

 

[95 svt cobra]

look into a bad dizzy for the no start problem. they're known to go out

This. Also, did you mess with your timing at all? you could be off 180*

 

[toyman]

look into a bad dizzy for the no start problem. they're known to go out

as are the TFI modules

Yes, but he said he had spark. If either the TFI module or the stator (PIP) failed there would be no spark.