Just want to know, if any body knows how to check and see if one or more of my tanks are shut off. Every body says i should get 300 miles to a full tank. Full tank being all three of my tanks full. Its a 98 ford 250 v8 5.4 L CNG dedicated. Thanks for your help 
Also does any body know if there is a road side assistance for cng fuel. If i was to run out of gas lol.

Also does any body know if there is a road side assistance for cng fuel. If i was to run out of gas lol.
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