I have a 2001 F-150 BiFuel truck.
Usually when I hook up at the CNG station I can hear the tank pressure equalize, then the pump starts filling the tank. Since we hit 105 degrees in Seattle last month, I am unable to fill the tank.
I connect up the hose, lift the lever on the pump, there is no sound of pressure, just a dull thud, and the pump stops.
I suspect a faulty solenoid on the fill line, but don't know enough about the systems to determine if this is the cause.
Any tips on diagnosing this would be great, since I have run out on CNG, and am having to burn that damn gasoline now.
Gary
Kenmore, Wa
Usually when I hook up at the CNG station I can hear the tank pressure equalize, then the pump starts filling the tank. Since we hit 105 degrees in Seattle last month, I am unable to fill the tank.
I connect up the hose, lift the lever on the pump, there is no sound of pressure, just a dull thud, and the pump stops.
I suspect a faulty solenoid on the fill line, but don't know enough about the systems to determine if this is the cause.
Any tips on diagnosing this would be great, since I have run out on CNG, and am having to burn that damn gasoline now.
Gary
Kenmore, Wa

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