I just bought a 2001 bifuel F150. I wanted to see how far I could go on a single CNG fillup. I got about 144 miles when the truck converted over to gasoline. I heard a thump or bang and felt a slight hesitation as it converted over, then it ran okay. Is that normal? I would appreciate any help you could provide. Thanks.
Bill
Centerville, UT
Bill
Centerville, UT
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