HELP!! Car Not Starting.

[Juggernaunt911]

So when the key is in position 2 (Run) we don't here the pump, but we do have power to the connector into the pump.

So the main problem is that we can't get the pump to come on, which in turn means no rule pressure and no start. However, sometimes when the vehicle has been parked somewhere warm, the pump comes on just fine and there are no issue with starting???? It seems to only happen during cold starts when outside temps are low.

Parts changed already:

Ignition Switch
Fuel Pump Relay
Fuel Pump
Battery
Temperature Sensor