Question about Cars & Trucks
I can pour gas in the intake and the truck will crank and run, it will crank and run as many times as i pleasebut if it sits overnight it will not crank its like it looses fuel prime. what can cause this problem?
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Posted on Jan 02, 2017
The check valve is a small brass fitting where the return line attaches to the filter head. I believe it takes a 7/16" wrench. There is a 'duck bill' inside that prevents fuel from leaking back to the tank causing air in the system. It should allow flow in only on direction. Some times you can see light through it if it's bad enough. Also, the lines between the injectors can dry out and start to leak air. Air will leak in before fuel leaks out, and you won't see it. There are plastic, cup-shaped connectors for these hoses that press onto the top of each injector. They are sealed by two o-rings on each injector body where it meets the connector. These o-rings can dry out and also leak air and fuel. Your Ford dealer or diesel service professional should have the proper o-rings. Any other o-rings might not seal, as they won't be the exact size. You already changed the fuel solenoid when you replaced the pump. It is inside. There has to be battery cranking voltage to it while cranking, and battery voltage with key in 'on' position. The wire attaches to the top of the pump. This is not likely to be the problem, since it restarts every 2 hours.
Posted on Jan 11, 2009
if before you start if you hold the gas pedal just a bit does it start faster if it does its our idle air control valve that defective (iac) let me now pierre
Posted on Jan 25, 2009
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